INGREDIENTS
•
1 cup ketchup
•
1 tablespoon stone-ground mustard
•
1 tablespoon Sriracha
•
Vegetable or peanut oil, for fryer
•
3 large yellow onions, sliced 1/8-inch thick, in a bowl of ice water
•
1 cup all-purpose flour
•
1 tablespoon salt
•
1 teaspoon ground pepper
•
1 gallon ice water