Cheesy Low Carb Vegetable Egg Casserole Hearty, Veggie-Packed, and Perfect for Keto & Diabetic Diets
This Cheesy Low Carb Vegetable Egg Casserole is a colorful, satisfying breakfast (or dinner!) that’s loaded with fresh vegetables, fluffy eggs, and gooey cheese. It’s the ultimate make-ahead meal — high in protein, low in carbs, and bursting with flavor from broccoli, mushrooms, and colorful bell peppers. Great for meal prep, brunch, or busy mornings when you need something nourishing that keeps blood sugar steady.
Why You’ll Love This Recipe
- Extremely low in net carbs and high in protein
- Packed with nutrient-dense vegetables
- Make-ahead and freezer-friendly
- Customizable with whatever veggies you have on hand
- Tastes indulgent but stays keto and diabetic-friendly
Ingredients (makes 8–10 servings)
- 12 large eggs
- ½ cup heavy cream or full-fat milk
- 2 cups shredded cheddar or Mexican cheese blend (divided)
- 2 cups broccoli florets, chopped small
- 8 oz mushrooms, sliced
- 1 red bell pepper, diced
- 1 yellow or orange bell pepper, diced
- 1 small onion, diced
- 3–4 garlic cloves, minced
- 2 tbsp olive oil or butter
- 1 tsp Italian seasoning
- ½ tsp smoked paprika (optional)
- Salt and black pepper to taste
- Fresh thyme or parsley for garnish
Instructions
- Preheat oven to 375°F (190°C). Grease a 9×13-inch baking dish.
- Heat olive oil in a large skillet over medium heat. Sauté onion and garlic for 2 minutes.
- Add mushrooms, broccoli, and bell peppers. Cook for 5–7 minutes until vegetables are just tender. Season with salt, pepper, Italian seasoning, and paprika.
- In a large bowl, whisk together eggs, heavy cream, 1 cup of shredded cheese, salt, and pepper.
- Spread the sautéed vegetables evenly in the prepared baking dish.
- Pour the egg mixture over the vegetables. Gently stir to distribute.
- Sprinkle the remaining 1 cup of cheese on top.
- Bake for 35–45 minutes until the center is set and the top is golden and bubbly.
- Let rest for 10 minutes before slicing. Garnish with fresh herbs and serve.
Storage Tips
Store leftovers in an airtight container in the refrigerator for up to 5 days. Reheat individual portions in the microwave or oven. This casserole freezes beautifully — wrap slices tightly and freeze for up to 2 months. Thaw overnight in the fridge before reheating.
Nutritional Information (per serving, based on 9 servings)
- Calories: ~280
- Fat: 21g
- Total Carbs: ~7g
- Fiber: ~2g
- Net Carbs: ~5g
- Protein: 18g
Macros are approximate and may vary based on exact ingredients and brands. Always test your personal blood sugar response.