Ingredients for - Cheeseburger Casserole

1. 1 tbsp. extra-virgin olive oil
2. 1/2 large white onion, finely diced
3. 2 lb. ground beef
4. Kosher salt 
5. Freshly ground black pepper
6. 2 tbsp. tomato paste
7. 3 tbsp. pickle relish
8. 2 tbsp. Worcestershire sauce
9. 1 tbsp. yellow mustard
10. 3 c. shredded cheddar
11. 1 (8-oz.) can refrigerated crescent rolls 
12. 1 large egg, beaten
13. 1 tbsp. sesame seeds
14. Shredded lettuce, for garnish
15. Diced tomato, for garnish
16. Pickle slices, for garnish
17. Diced white onion, for garnish 
18. 1/3 c. mayonnaise
19. 2 tbsp. ketchup 
20. 1 tbsp. yellow mustard
21. 2 tsp. pickle relish
22. 1 tsp. apple cider vinegar
23. 1/4 tsp. garlic powder
24. 1/4 tsp. onion powder
25. 1/4 tsp. sweet paprika

How to cook deliciously - Cheeseburger Casserole

1 . Stage

Make the casserole: Preheat oven to 350°. In a large skillet over medium-high heat, heat oil. Add onion and cook until slightly softened, 2 minutes. Add ground beef and season with salt and pepper. Cook, breaking up meat with a wooden spoon, until no longer pink, 8 minutes. Drain fat.

2 . Stage

Return skillet to medium-high heat. Add tomato paste and cook, stirring, 1 minute. Add ⅓ cup water, relish, Worcestershire sauce, and mustard. Stir to combine.  

3 . Stage

Transfer hamburger mixture into a small rectangular baking dish. Spread into an even layer. Sprinkle with cheese. Remove crescent rolls from packaging and unroll on top of casserole, if necessary stretch slightly to reach sides to completely cover the casserole. Brush lightly with egg. Sprinkle with sesame seeds. Bake until warm throughout and top is golden, about 25 minutes.  

4 . Stage

Meanwhile, make the special sauce: In a medium bowl, stir all sauce ingredients together until well combined. 

5 . Stage

Drizzle casserole with special sauce and top with lettuce, tomato, onion, and pickles. Serve warm.