Quick Casserole with Eggs and Avocado – Easy Breakfast
There’s truly nothing better than a hearty, quick casserole with eggs and avocado to kickstart your morning. This easy breakfast is ready in under 30 minutes, bursting with wholesome ingredients like creamy avocado, fluffy eggs, melty cheese, and juicy tomatoes. It’s a go-to recipe whether you’re meal-prepping for the week or whipping up something cozy for a laid-back Sunday brunch.
Why You’ll Love This Egg and Avocado Breakfast Casserole
- Quick and easy: Comes together in just 10 minutes of prep!
- Healthy and satisfying: High in protein, good fats, and fiber.
- No fancy ingredients: Uses simple pantry and fridge staples.
- Customizable: Make it vegetarian, gluten-free, dairy-free, or spicy to suit your vibe.
- Great for meal prep: Stores well and tastes even better the next day!
Ingredients You’ll Need
To make this crispy, golden breakfast casserole, grab these:
- 6 large eggs
- 1 ripe avocado (diced just before baking for max freshness)
- 1/2 cup shredded cheddar or Oaxaca cheese
- Cherry tomatoes – juicy and sweet
- Red onion for a bit of bite
- A splash of milk or oat milk
- Garlic powder, salt, and black pepper
Pro tip: For a Southwestern twist, add jalapeños and cooked crumbled sausage or black beans. 🔥
How to Make This Quick Breakfast Casserole
Step-by-Step Instructions
- Preheat the oven to 375°F (190°C). Lightly oil or spray your casserole dish.
- Whisk together the eggs, milk, and seasonings in a mixing bowl until frothy.
- Add the chopped cherry tomatoes, red onion, cheese, and half of the diced avocado.
- Pour everything into the casserole dish. Gently stir to distribute ingredients evenly.
- Bake for 20–22 minutes until puffed and golden. Let cool slightly.
- Slice and serve with more fresh avocado on top. Yum!
Make It Your Way: Variations and Substitutions
This breakfast recipe is *super forgiving* and easy to tailor. Here are a few options:
- Gluten-free: It already is! Just double-check your cheese label.
- Dairy-free: Use dairy-free cheese and unsweetened almond or oat milk.
- Vegan: Try Just Egg or a tofu scramble base instead of regular eggs.
- Extra protein: Add cooked bacon, sausage, or even shredded slow-cooked chicken.
Try this Sweet Potato Breakfast Hash next if you love savory breakfasts!
Tips for the Best Egg and Avocado Casserole
- *Use ripe but firm avocados.* Too soft and they’ll dissolve into mush.
- *Don’t overbake.* Eggs get rubbery when cooked too long.
- *Let it cool 5 minutes* before slicing—it helps the casserole hold its shape.
Need a heartier meal? Pair it with a side of crispy breakfast potatoes or warm toast!
Storing and Reheating
This casserole keeps like a dream, y’all! Let leftovers cool completely, then store in an airtight container in the fridge for up to 4 days.
Reheat slices in the microwave (about 45 seconds) or pop into a 350°F oven for 10 minutes for a fresher texture.
Kitchen Tools I Love for This Recipe
- Lodge Mini Cast Iron Casserole Dish – heats super evenly!
- OXO Balloon Whisk – whips those eggs to perfection.
- Wüsthof Classic Chef’s Knife – for quick avocado dicing.
Nutrition Info (Per Serving)
- Calories: ~260
- Protein: 14g
- Fat: 19g
- Carbs: 7g
- Fiber: 3g
FAQs About Egg and Avocado Breakfast Casserole
Can I make this casserole ahead of time?
Absolutely! Mix it the night before and store in the fridge. Just pop it in the oven in the morning and bake as directed.
What cheese works best in this recipe?
Cheddar is classic, but Oaxaca cheese, Monterey Jack, or even a touch of feta can work beautifully here.
Can I freeze this breakfast casserole?
You sure can! Cool it completely, wrap tightly, and freeze for up to 2 months. Reheat in a 350°F oven until warmed through.
What should I serve this with?
This casserole shines with a simple side salad, fruit, or fresh baked muffins. Or pair it with Avocado Toast on Sourdough for double the avo vibes!
Don’t Forget to Share!
Made this quick casserole with eggs and avocado? Tag us on Instagram @gotofoodrecipes so we can see your gorgeous breakfast! 💚
Love this recipe? Pin it for later, share it with a friend, or drop a comment below—we love hearing from you!
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