Beef Shepherd'S Pie
["1 Tbsp. cooking oil", "1 lb. ground beef", "1 medium onion, chopped", "3 c. mashed potatoes or instant", "1 Tbsp. salt", "1/4 tsp. black pepper", "1 c. shredded Cheddar"]
["Preheat oven to 375\u00b0.", "Heat oil in skillet. Saute beef and onion until onion is transparent. Stir in salt and pepper.", "Place meat mixture in a 1 1/2-quart baking dish. Spread potatoes on top and top with cheese. Bake 30 minutes or until cheese is melted."]
["cooking oil", "ground beef", "onion", "mashed potatoes", "salt", "black pepper", "Cheddar"]