Cheeseburger Onion Pie - cooking recipe

Ingredients

1 Tbsp. vegetable oil
1 lb. onions, sliced and quartered
1 lb. ground beef
1/3 c. ketchup
2 tsp. prepared mustard
1/4 tsp. salt
1/8 tsp. pepper
2 (8 oz.) cans refrigerated crescent rolls
1 c. shredded Cheddar
2 eggs, beaten
1 egg yolk, beaten
1 Tbsp. water

Preparation

In 10-inch skillet over medium heat, heat oil.
Stir in onions, cover and cook 10 minutes, stirring occasionally.
If onions begin to stick, add 2 tablespoons water.
Remove from skillet; set aside.
Brown beef; drain fat.
Stir in ketchup, mustard, salt and pepper and set aside.
Unroll 1 can of rolls and press together perforations.
Roll out to a 12-inch square.
Line a 9-inch pie pan.
Trim 1 inch beyond edge of dish.
Spoon meat into pie shell.
Sprinkle with cheese; top with onions.
Pour 2 beaten eggs over top.