Rancho Baked Beans
["1/4 c. salad oil", "2 c. chopped onion", "1 lb. ground beef", "1 tsp. salt", "1 c. tomato ketchup", "2 Tbsp. mustard", "2 tsp. vinegar", "2 (1 lb.) cans pork and beans", "2 (1 lb.) cans kidney beans"]
["Cook", "onion", "in", "oil.", "Remove onion and cook meat until lightly", "brown.", "Combine all ingredients and bake in 400\u00b0 oven for 30 minutes."]
["salad oil", "onion", "ground beef", "salt", "tomato ketchup", "mustard", "vinegar", "pork", "kidney beans"]