Clam chowder

Ingredients: 4 slices bacon, chopped 1 onion, finely chopped 2 celery stalks, finely chopped 2 cloves garlic, minced 3 tablespoons all-purpose flour 3 cups chicken broth 2 cups heavy cream 1 pound potatoes, peeled and diced 3 cans (6.5 ounces each) clams, drained and juice reserved 1 teaspoon dried thyme