Biscuit-Meatball Pie

Ingredients

• 1 beaten egg
• 1 c. soft bread crumbs
• 2 Tbsp. snipped parsley
• 3/4 Tbsp. salt
• dash of pepper
• 1 lb. ground beef
• 1/2 c. chopped onion
• 2 Tbsp. cooking oil
• 1 (10 3/4 oz.) cream of mushroom soup
• 1 soup can milk (1 1/4 c.)
• 1 (10 oz.) pkg. frozen mixed vegetables
• 1/4 Tbsp. pepper
• 1 1/2 c. packaged biscuit mix
• 1/2 c. shredded sharp American cheese