Crescent-Topped Cheeseburger Casserole

20 minutes     prep time    50 minutes total time     6   servings

1          pound  lean (at least 80%) ground beef 
1/4      cup chopped onion 
1/4      cup chopped dill pickles
1/2      cup water
1/2      cup ketchup 
1         tablespoon yellow mustard
1/8      teaspoon pepper
1-1/2   cups shredded American cheese (6 oz)
1        can (8 ounce) Pillsbury  refrigerated Crescent Dough Sheet 
1        egg, beaten 
1        tablespoon sesame seed

1 .  Heat oven to 375°F. In 10-inch nonstick skillet, cook beef and onion over medium-high heat 5 to 7 minutes, stirring frequently, until thoroughly cooked; drain. Stir in pickles, water, ketchup, mustard and pepper.
2 .  Spoon beef mixture into 11x7-inch (2-quart) glass baking dish. Sprinkle with cheese.
3 .  Unroll dough; press into 12x8-inch rectangle. Cut into 6 squares; place on top of cheese. Brush with egg; sprinkle with sesame seed.
4 .  Bake 25 to 30 minutes or until deep golden brown
Heart healthy