Stuffed Sloppy Joe Bombs

Name: Stuffed Sloppy Joe Bombs
Ingredients: 8 ounces ground beef; 2 cloves garlic, minced; 1 small green bell pepper, finely chopped; 1 small yellow onion, finely chopped; 2 tablespoons tomato paste; 1 cup ketchup; 2 tablespoons Worcestershire sauce; 1 tablespoon packed light brown sugar; 1 teaspoon chili powder; 1/2 teaspoon dry mustard; 1/2 teaspoon smoked paprika, plus more for sprinkling; Nonstick cooking spray, for coating the mini muffin tin; Two 16.3-ounce tubes refrigerated buttermilk biscuit dough; 1 large egg, lightly beaten