Yorkshire Pie

Ingredients (12)

• 3/4 pound ground beef
• 1 small onion, thinly sliced
• 1/2 cup canned mixed vegetables, drained
• 1 can (10-1/4 ounces) beef gravy, divided
• 1 tablespoon butter
• 1 cup milk
• 2 eggs
• 1 cup all-purpose flour
• 1/4 teaspoon salt
• 1/8 teaspoon pepper
• 1/2 cup water
• 1 tablespoon Worcestershire sauce