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Close-up of a cottage cheese egg casserole in a white baking dish, with a slice being lifted to show the fluffy texture, colorful bell peppers, spinach, and melted cheese on top.

Cottage Cheese Egg Casserole

A simple, protein-rich egg casserole loaded with cottage cheese, colorful bell peppers, spinach, and melty cheddar. Perfect for breakfast or brunch with family and friends.
5 from 2 votes
Prep Time: 15 minutes
Cook Time: 45 minutes
Total Time: 1 hour
Course: Breakfast
Cuisine: American
Servings: 12
Author: Shilpa

Equipment

Ingredients

Instructions

  • Preheat oven to 375℉ and lightly grease a 9x13-inch baking dish.
  • In a large mixing bowl, whisk together eggs, cottage cheese, milk, salt, black pepper, garlic powder, and onion powder until well combined. If your cottage cheese looks watery, give it a quick drain through a fine mesh strainer first. Pat the diced bell peppers dry with a paper towel to remove excess moisture.
  • Stir in the shredded cheddar, bell peppers, and spinach. Pour the mixture into the prepared dish, spreading evenly.
  • Bake for 40–45 minutes, or until the eggs are set and the top is lightly golden.
  • Let the casserole cool for a few minutes before slicing. Garnish with chopped green onions and serve warm.

Notes

  • Season well: for a casserole this size, 1½–2 teaspoons of kosher salt and 1 teaspoon of black pepper is the right range. Underseasoned eggs taste flat once baked, so don't be shy.
  • If using low-fat cottage cheese, drain it briefly through a fine mesh strainer before mixing. Full-fat holds together well and needs no draining.
  • Pat the diced bell peppers dry with a paper towel before adding them to the bowl. This prevents a watery bottom after baking.
  • If using fresh spinach, squeeze out any excess moisture before adding. If using frozen, thaw completely and squeeze very well. This step makes a real difference in the final texture.
  • If using 16 eggs, start checking for doneness at 45 minutes. Add 5-8 more minutes if the center still has jiggle. Insert a knife in the center. It should come out clean or with just slight moisture, no raw egg.
  • For extra heat, add ½ teaspoon crushed red pepper flakes or diced jalapeños.
  • Swap cheddar for Monterey Jack or mozzarella if you prefer a milder flavor.
  • Make-ahead: assemble the night before, cover tightly, and refrigerate. Let it sit at room temperature for 15-20 minutes while the oven preheats, then bake as directed.
  • Meal prep: cool completely, slice, and store in the fridge for up to 4 days. Reheat in the microwave or oven.

Nutrition

Calories: 179kcal | Carbohydrates: 5g | Protein: 15g | Fat: 11g | Saturated Fat: 5g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Trans Fat: 0.02g | Cholesterol: 235mg | Sodium: 460mg | Potassium: 239mg | Fiber: 1g | Sugar: 3g | Vitamin A: 1546IU | Vitamin C: 33mg | Calcium: 162mg | Iron: 1mg
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