Beef with milk

1 tablespoon extra virgin olive oil , 1 turn of the pan (EVOO) 2 tablespoons unsalted butter , plus more for greasing 2 lbs ground chicken 2 garlic cloves ,[...]

2 lbs ground beef 1 green bell pepper 1 onion 2 carrots 2 celery ribs 1/4 cup old fashioned oats 15 saltine crackers 6 -8 slices bread 1/4 cup ketchup 1/4 cup[...]

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[...]