10 Vegetarian Breakfast Casseroles for a Clean Eating Morning
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Kicking off the day with a satisfying and nutritious breakfast can be a daunting task, especially for vegetarians who want to fuel up without sacrificing flavor. That’s where the magic of breakfast casseroles comes in – a delicious and convenient way to start your day with a hearty, plant-based meal.
By combining wholesome ingredients like eggs, cheese, and a variety of vegetables, you can create a breakfast casserole that’s not only mouthwatering but also packed with nutrients and free from processed additives.
Sandwich Bros. Frozen Meal, Egg and Cheese Flatbread Pocket Sandwiches, 13.5 oz, 6 ct
(as of November 10, 2025 00:41 GMT -05:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)Quinoa and Spinach Breakfast Casserole
Quinoa and Spinach Breakfast Casserole is a nutritious and delicious way to kickstart your day. Packed with protein and loaded with greens, this vegetarian dish is perfect for clean-eating enthusiasts. Each bite offers a comforting blend of flavors and textures, making it a satisfying breakfast option.
1. Preheat your oven to 375°F (190°C). 2. In a large bowl, combine cooked quinoa, sautéed spinach, diced tomatoes, and chopped onions. 3. In another bowl, whisk together eggs, milk, salt, and pepper, then pour the mixture over the quinoa and vegetables, stirring well to combine. 4. Grease a baking dish and transfer the mixture into the dish, spreading it evenly. 5. Top with shredded cheese if desired, then bake for 25-30 minutes or until the casserole is set and golden on top. 6. Let it cool for a few minutes before serving. Enjoy your delicious Quinoa and Spinach Breakfast Casserole!
Sweet Potato and Black Bean Egg Casserole
Sweet Potato and Black Bean Egg Casserole is a hearty and nutritious vegetarian dish perfect for breakfast or brunch. Packed with protein from black beans and fiber from sweet potatoes, it’s both satisfying and delicious. This casserole comes together easily, making it a convenient option for meal prep or serving a crowd.
1. Preheat your oven to 350°F (175°C). 2. In a large skillet, heat some olive oil over medium heat and sauté chopped onions and garlic until fragrant. 3. Add diced sweet potatoes and cook until tender, about 10-15 minutes. 4. In a mixing bowl, whisk together eggs, salt, pepper, and your favorite spices. 5. Stir in black beans and the cooked sweet potato mixture. 6. Pour the mixture into a greased baking dish and top with shredded cheese, if desired. 7. Bake for 25-30 minutes or until the eggs are set and the top is slightly golden. 8. Let it cool for a few minutes before slicing and serving.
Broccoli and Cheese Oatmeal Bake
Broccoli and Cheese Oatmeal Bake is a wholesome and nutritious dish that combines the goodness of broccoli with the hearty texture of oatmeal. This savory casserole is not only packed with flavor but also offers a satisfying way to start your day, making it ideal for a clean eating lifestyle. With its delightful blend of cheese and vegetables, this breakfast option is both comforting and energizing for a busy morning.
1. Preheat your oven to 350°F (175°C). 2. In a large mixing bowl, combine 2 cups of rolled oats, 1 cup of shredded cheese (cheddar works well), 2 cups of chopped fresh broccoli, 2 cups of almond milk, 1 tablespoon of olive oil, and a pinch of salt and pepper. 3. Stir the mixture until well combined. 4. Pour the mixture into a greased baking dish and spread it evenly. 5. Bake for 30-35 minutes, or until the top is golden brown and the oats are set. 6. Let it cool for a few minutes before slicing and serving warm.
Mediterranean Veggie and Feta Bake
Mediterranean Veggie and Feta Bake is a delightful and nutritious breakfast casserole that bursts with vibrant flavors. Packed with fresh vegetables and crumbled feta cheese, this dish is perfect for anyone looking to start their day on a healthy note. It’s easy to prepare and makes for a great meal prep option, ensuring you have a wholesome breakfast ready to go all week long.
1. Preheat your oven to 375°F (190°C). 2. In a large bowl, combine diced bell peppers, spinach, cherry tomatoes, red onion, and crumbled feta cheese. 3. In another bowl, whisk together eggs, salt, pepper, and a splash of olive oil, then pour over the veggie mixture. 4. Mix everything thoroughly and transfer to a greased baking dish. 5. Bake for 30-35 minutes, or until the top is golden and set. 6. Allow to cool slightly before slicing into squares and serving. Enjoy warm or store leftovers in the fridge for up to a week.
Chickpea and Sweet Pepper Bake
Chickpea and Sweet Pepper Bake is a wholesome and satisfying vegetarian breakfast casserole that combines the nutty flavors of chickpeas with the sweetness of vibrant bell peppers. Packed with nutrients and protein, this dish is perfect for a clean eating lifestyle. It’s easy to prepare, making it an ideal choice for meal prep or a cozy weekend brunch.
Preheat your oven to 375°F (190°C). In a large bowl, combine 2 cups of cooked chickpeas, 1 diced sweet red pepper, 1 diced yellow bell pepper, 1 chopped onion, and 2 cloves of minced garlic. In a separate bowl, whisk together 4 large eggs, 1 cup of almond milk, salt, and pepper to taste. Pour the egg mixture over the chickpea and pepper blend, mixing well. Transfer the mixture to a greased baking dish and bake for 30-35 minutes, or until the eggs are set and slightly golden on top. Let it cool for a few minutes before slicing and serving.
Cauliflower Rice Egg Casserole
Cauliflower Rice Egg Casserole is a delicious and healthy breakfast option that combines nutritious cauliflower rice with fluffy eggs and fresh vegetables. This vegetarian dish is packed with flavor and is perfect for meal prep, as it can be made in advance and reheated for a quick breakfast. It’s a great way to start your day on a clean eating path while enjoying a hearty and satisfying meal.
1. Preheat your oven to 350°F (175°C). 2. In a large mixing bowl, combine 4 cups of cauliflower rice, 1 cup of chopped spinach, 1 bell pepper (diced), and 1 cup of shredded cheese (optional). 3. In another bowl, whisk together 6 large eggs, 1/2 cup of milk (or a dairy-free alternative), salt, and pepper to taste. 4. Pour the egg mixture over the cauliflower and vegetables, stirring to combine. 5. Transfer the mixture to a greased 9×13 inch baking dish, spreading it evenly. 6. Bake for 25-30 minutes, or until the eggs are set and the top is lightly golden. 7. Let it cool slightly before slicing and serving. Enjoy your healthy and delicious Cauliflower Rice Egg Casserole!
Overnight Banana Oatmeal Casserole
Overnight Banana Oatmeal Casserole is a wholesome and delicious breakfast option that will energize your mornings. This simple, plant-based dish combines ripe bananas, rolled oats, and almond milk, baked to perfection for a comforting start to your day. Perfect for meal prep, it can be made ahead and simply reheated for a quick and nutritious breakfast.
1. Preheat your oven to 350°F (175°C). 2. In a large mixing bowl, mash 3 ripe bananas. 3. Add 2 cups of rolled oats, 2 cups of almond milk, 1 teaspoon of vanilla extract, 1 teaspoon of cinnamon, and a pinch of salt; mix until combined. 4. Pour the mixture into a greased 9×13 inch baking dish. 5. Bake for 25-30 minutes or until the top is golden and the oats are set. 6. Allow to cool for a few minutes before serving. 7. Serve warm, topped with fresh fruits, nuts, or a drizzle of maple syrup if desired.
Mushroom and Asparagus Frittata Bake
The Mushroom and Asparagus Frittata Bake is a delightful vegetarian breakfast casserole that brings together the earthy flavors of mushrooms with the vibrant crunch of asparagus. This dish is not only packed with protein from eggs but also offers a hearty dose of vegetables, making it a wholesome choice for a clean eating lifestyle. Perfect for meal prep, it can be served warm or reheated for quick breakfasts throughout the week.
Preheat your oven to 375°F (190°C). In a large skillet, heat olive oil over medium heat and sauté chopped onions and sliced mushrooms until soft. Add chopped asparagus and cook until tender, about 3-4 minutes. In a bowl, whisk together eggs, salt, pepper, and your favorite herbs. Pour the egg mixture over the sautéed vegetables in the skillet, mixing gently to combine. Cook for a few minutes until the edges begin to set, then transfer the skillet to the preheated oven. Bake for 20-25 minutes, or until the frittata is set in the center and lightly golden on top. Allow it to cool for a few minutes before slicing and serve warm.
Zucchini and Carrot Breakfast Casserole
Zucchini and Carrot Breakfast Casserole is a delightful and nutritious way to start your day. Bursting with fresh vegetables, this casserole is packed with flavor and is perfect for meal prep or a cozy brunch. With its hearty texture and wholesome ingredients, it’s a delicious addition to any vegetarian breakfast lineup.
1. Preheat your oven to 375°F (190°C) and lightly grease a baking dish. 2. In a large bowl, whisk together 6 eggs, 1 cup of milk, salt, and pepper. 3. Grate 2 medium zucchinis and 2 large carrots, then add them to the egg mixture along with 1 cup of shredded cheese and 1 cup of diced onion. 4. Pour the mixture into the prepared baking dish and ensure it’s evenly distributed. 5. Bake for 30-35 minutes, or until the casserole is set and the top is golden brown. 6. Let it cool for a few minutes before slicing, and serve warm.
Savory Pumpkin and Sage Casserole
Savory Pumpkin and Sage Casserole is a delightful, hearty dish perfect for a wholesome vegetarian breakfast. The combination of creamy pumpkin and fragrant sage creates a warm, comforting flavor profile that will please both vegetarians and meat-lovers alike. This casserole is not only nutritious but also a beautiful addition to your breakfast table, making it ideal for gatherings or a cozy family brunch.
1. Preheat your oven to 375°F (190°C). 2. In a large bowl, mix together 2 cups of cooked quinoa, 1 can (15 oz) of pure pumpkin puree, 1 cup of vegetable broth, 1/2 cup of chopped fresh sage, 1 teaspoon of garlic powder, and salt and pepper to taste. 3. Spread the mixture evenly in a greased baking dish. 4. In a separate bowl, whisk together 4 eggs and pour over the quinoa mixture. 5. Top with 1 cup of shredded cheese (optional) and bake for 35-40 minutes, or until set and lightly browned on top. 6. Allow to cool for a few minutes before slicing and serving warm.
