Shrimp Chowder

Ingredients

• 6 slices fully cooked bacon, diced, reserving 1 tablespoon fat
• 1 tablespoon (1/8 stick) butter
• 3 stalks celery, diced
• 1 small yellow onion, diced
• 4 cloves garlic, minced
• 1 teaspoon salt, or more to taste
• 1 teaspoon ground black pepper, or more to taste
• 2 tablespoons flour
• 2 1/2 cups milk
• 1 can whole kernel corn (15 ounces)
• 1 can cream-style corn (14.75 ounces)
• 1/2 teaspoon cayenne pepper
• 1 pound shrimp, peeled and deveined
• 1/3 cup half-and-half
• Green onions, minced, for serving