Beef with chips

1 Tbsp olive oil 2 Tbsp butter 2 pounds ground chicken or turkey 1 15 oz. can small white beans, rinsed and drained 1 carrot , chopped 1 medium onion ,[...]

1/2 lb sharp cheddar cheese 1/2 lb mild cheddar cheese (use block cheese from the deli, not slices or shredded) or 1/2 lb American cheese (use block cheese[...]

1 lb ground beef 1 egg , slightly beaten 3/4 cup corn chips, crushed 1/2 cup milk 2 teaspoons salt 2 1/2 tablespoons flour 2 tablespoons butter 2 cups onions[...]