Directions

• Step 1

  Preheat oven to 375 degrees F (190 degrees C).

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• Step 2

  Cook and stir ground beef in a large skillet over medium heat until browned and crumbly, about 10 minutes; drain excess grease.

• Step 3

  Stir broccoli, mozzarella cheese, onion, sour cream, salt, and black pepper into ground beef. Bring mixture to a boil, reduce heat to low, and simmer for 10 minutes.

• Step 4

  Divide each package of crescent rolls in half to make 4 squares; press perforations to seal each piece into a solid sheet of dough. Place dough squares onto an ungreased baking sheet and gently form each piece into a rectangle. Spoon 1/4 of meat mixture into the center of each rectangle, bring 2 opposite long edges together in the center, and overlap. Pinch edges of dough to seal into filled packets. Brush with beaten egg.

• Step 5

  Bake until packets are deep golden brown and the filling is hot, 18 to 22 minutes.