1 package dry form crab boil (recommended: Zatarain's)
3 pounds red potatoes
1 pound thick-cut bacon, diced
1 cup diced red onion
1 tablespoon minced garlic
1/4 pound butter, at room temperature
1/4 pound finely shredded Cheddar
1 green onion, chopped
1/2 teaspoon cayenne pepper
1/2 teaspoon paprika
Salt and pepper
3/4 cup sour cream