Beef Bourguignon Pot Pies

Name: Beef Bourguignon Pot Pies
Ingredients: 2 celery stalk, sliced; 3 garlic clove, minced or pressed; 2 tablespoon flour; 3 cup dry red wine; 3 cup low sodium beef stock; 1 tablespoon tomato paste; 1 tablespoon brown sugar; 4 sprig of fresh thyme; 1 bay leaf; 2 large yukon gold potato, diced; 2 cup frozen pearl onion (no need to defrost ahead); 1 cup frozen pea (no need to defrost ahead); 2 full sheet of frozen puff pastry, defrosted but chilled