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

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

Step 3

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

Step 4

Heat a large skillet over medium-high heat. Cook and stir ground beef in the hot skillet until browned and crumbly, 5 to 7 minutes; drain and discard grease. Transfer beef to a 9x13-inch casserole dish.

Step 5

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