Mini Beef & Cheddar Pies - Big Recipe

Ingredients

• 1 tablespoon olive oil
• 1 small onion, finely diced
• 1 clove garlic, minced
• 1 pound lean ground beef
• 1/2 teaspoon salt
• black pepper, to taste
• 3 tablespoons flour
• 1 1/2 cups beef stock
• 1 teaspoon Worcestershire sauce
• 2 (17.3-ounce, 2-count) packages pre-rolled puff-pastry, thawed in the refrigerator
• 3/4 cup aged white cheddar cheese, finely diced
• 1 egg