Bold Mexican Breakfast Casserole has become my favorite dish to kickstart busy mornings. This delicious casserole is layered with savory ingredients like sausage, eggs, and hash browns, delivering a satisfying meal that’s perfect for any brunch gathering. With its bold Tex-Mex flavors, it’s sure to please everyone at the table. Let’s dive into the details of this delightful dish!
Why You’ll Love This Bold Mexican Breakfast Casserole
This casserole is not only delicious but also incredibly versatile. Here are a few reasons to love it:
- It’s a make-ahead Mexican breakfast casserole that saves time in the morning.
- Perfect for feeding a crowd, making it an ideal choice for brunch gatherings.
- It offers a customizable base—swap ingredients to create a vegetarian Mexican breakfast casserole or keep it meaty.
- Packed with protein from eggs and sausage, it’s a hearty morning meal.
- Quick and easy to prepare, it’s perfect for busy households.
- This casserole can easily be frozen for future meals, ensuring you always have a delicious breakfast ready.
With its hearty Mexican morning casserole essence, you’ll find that it meets all your breakfast needs while being gluten-free.
Ingredients for Bold Mexican Breakfast Casserole
Gather these items:
- 1 lb ground breakfast sausage or chorizo
- 1 cup chopped onion
- 1 can (4 oz) diced green chiles
- 1 cup salsa
- 6 large eggs
- 1 cup milk
- 2 cups shredded cheddar or Mexican-blend cheese
- 4 cups frozen hash browns, thawed
- ½ teaspoon garlic powder
- ½ teaspoon cumin
- ½ teaspoon chili powder
- Salt and pepper to taste
- Optional toppings: sour cream, avocado, chopped cilantro, jalapeños
How to Make Bold Mexican Breakfast Casserole Step-by-Step
- Step 1: Set oven to 375°F (190°C) and grease a 9×13-inch baking dish.
- Step 2: In a skillet, brown sausage or chorizo with onions over medium heat. Drain grease.
- Step 3: Stir in green chiles and salsa, cooking for 2–3 minutes.
- Step 4: Spread hash browns evenly in the dish and sprinkle with half the cheese.
- Step 5: Spoon the sausage mix evenly over hash browns.
- Step 6: In a bowl, whisk eggs, milk, garlic powder, cumin, chili powder, salt, and pepper.
- Step 7: Pour egg mixture over the layers and top with remaining cheese.
- Step 8: Bake uncovered for 40–45 minutes, until golden and set. Rest for 5–10 minutes before slicing.
- Step 9: Garnish with sour cream, avocado, and cilantro for the perfect finish.
Pro Tips for the Perfect Bold Mexican Breakfast Casserole
Keep these in mind:
- Sausage or Chorizo: Use traditional breakfast sausage or spicy chorizo for extra depth of flavor.
- Vegetarian: Replace sausage with black beans, peppers, and zucchini to create a delicious vegetarian Mexican breakfast casserole.
- Hash Browns: Shredded or diced potatoes both work—just thaw and drain well.
- Salsa: Choose your preferred spice level; mild or hot both taste great.
- Cheese: Mexican blend, Monterey Jack, or Pepper Jack melt beautifully.
Best Ways to Serve Bold Mexican Breakfast Casserole
Consider these serving suggestions:
- Top each slice with a dollop of sour cream and avocado for added creaminess.
- Serve with a side of fresh fruit for a healthy Mexican breakfast casserole idea.
- Pair with a zesty green salad for a refreshing contrast.
How to Store and Reheat Bold Mexican Breakfast Casserole
To store leftovers, keep them in an airtight container in the fridge for up to 5 days. You can also freeze individual portions for later use. When ready to enjoy, simply reheat in the oven at 350°F (175°C) until warmed through. This makes it a perfect make-ahead Mexican breakfast casserole option!
Frequently Asked Questions About Bold Mexican Breakfast Casserole
What’s the secret to perfect Bold Mexican Breakfast Casserole?
The secret lies in using quality ingredients and allowing it to rest after baking, which enhances the flavors. Incorporating your choice of toppings can also elevate the experience!
Can I make Bold Mexican Breakfast Casserole ahead of time?
Absolutely! This casserole is designed to be made in advance. Prepare it the night before, refrigerate, and bake it fresh in the morning.
How do I avoid common mistakes with Bold Mexican Breakfast Casserole?
Ensure you don’t overcook the casserole, which can make it dry. Also, allow it to rest after baking to set properly and make slicing easier.
Variations of Bold Mexican Breakfast Casserole You Can Try
Here are some creative twists:
- For a spicy Mexican breakfast casserole, add jalapeños or use spicy salsa.
- Try a zesty Mexican breakfast bake by incorporating different types of cheese.
- Make it healthier by using sweet potatoes instead of hash browns for a nutritious boost.
This Mexican-inspired breakfast casserole will surely have everyone coming back for seconds!

For more delicious breakfast ideas, check out our Small Batch Apple Pumpkin Muffins or Loaded Chicken Nachos Feast.
For more information on the health benefits of eggs, visit Healthline.
To learn about the versatility of chorizo, check out this article on Serious Eats.
Print
Bold Mexican Breakfast Casserole: 8 Layers of Flavor
- Total Time: 1 hour 5 minutes
- Yield: 8 servings 1x
- Diet: Gluten Free
Description
Bold & Flavorful Mexican Breakfast Casserole: A Make-Ahead Morning Favorite
Ingredients
- 1 lb ground breakfast sausage or chorizo
- 1 cup chopped onion
- 1 can (4 oz) diced green chiles
- 1 cup salsa
- 6 large eggs
- 1 cup milk
- 2 cups shredded cheddar or Mexican-blend cheese
- 4 cups frozen hash browns, thawed
- ½ teaspoon garlic powder
- ½ teaspoon cumin
- ½ teaspoon chili powder
- Salt and pepper to taste
- Optional toppings: sour cream, avocado, chopped cilantro, jalapeños
Instructions
- Set oven to 375°F (190°C) and grease a 9×13-inch baking dish.
- In a skillet, brown sausage or chorizo with onions over medium heat. Drain grease.
- Stir in green chiles and salsa, cooking for 2–3 minutes.
- Spread hash browns evenly in the dish and sprinkle with half the cheese.
- Spoon the sausage mix evenly over hash browns.
- In a bowl, whisk eggs, milk, garlic powder, cumin, chili powder, salt, and pepper.
- Pour egg mixture over the layers and top with remaining cheese.
- Bake uncovered for 40–45 minutes, until golden and set. Rest 5–10 minutes before slicing.
- Garnish with sour cream, avocado, and cilantro for the perfect finish.
Notes
- Sausage or Chorizo: Use traditional breakfast sausage or spicy chorizo for extra depth of flavor.
- Vegetarian: Replace sausage with black beans, peppers, and zucchini.
- Hash Browns: Shredded or diced potatoes both work—just thaw and drain well.
- Salsa: Choose your preferred spice level; mild or hot both taste great.
- Cheese: Mexican blend, Monterey Jack, or Pepper Jack melt beautifully.
- Prep Time: 20 minutes
- Cook Time: 45 minutes
- Category: Breakfast
- Method: Baking
- Cuisine: Mexican
Nutrition
- Serving Size: 1 slice
- Calories: 410
- Sugar: 2g
- Sodium: 900mg
- Fat: 29g
- Saturated Fat: 10g
- Unsaturated Fat: 15g
- Trans Fat: 0g
- Carbohydrates: 15g
- Fiber: 2g
- Protein: 24g
- Cholesterol: 200mg
Keywords: Mexican Breakfast Casserole, make-ahead breakfast, Tex-Mex breakfast