Cinco de Mayo Casserole

This easy Cinco de Mayo recipe features ground beef, Mexican-style corn, sour cream, and Cheddar cheese baked into a creamy and hearty casserole.

• Preparation Time: 15 mins
• Cooking Time: 60 mins
• Total Time: 1 hr 15 mins
• Calories: 528 Calories

Ingredients

• 1 cup sour cream
• 1 onion, diced
• 2 cloves garlic, chopped
• 1 pound ground beef
• 3 cups shredded Cheddar cheese, divided
• 1 teaspoon vegetable oil, or as needed
• 1 (7 ounce) can Mexican-style corn, drained
• 1 cup salsa, drained
• 0.25 teaspoon ground black pepper
• 0.5 teaspoon salt
• 1 (10 ounce) can diced tomatoes with green chile peppers (such as RO*TEL®), drai

Recipe Instructions

Step 1

Preheat the oven to 350 degrees F (175 degrees C).

Step 2

Heat a large skillet over medium-high heat. Add ground beef; cook and stir until browned and crumbly, 5 to 7 minutes; drain and discard grease. Transfer beef to a 9x13-inch baking dish.

Step 3

Heat oil in the same skillet over medium heat. Add onion and garlic; cook and stir until onion is translucent, about 10 minutes. Spoon onion mixture over ground beef.

Step 4

Stir 1 cup Cheddar cheese, tomatoes with green chile peppers, salsa, sour cream, corn, salt, and black pepper into ground beef mixture until well combined; top with remaining 2 cups Cheddar cheese.

Step 5

Bake in the preheated oven until cooked through and cheese is melted, about 45 minutes. Let stand before serving, 10 minutes.