DIY State Fair Funnel Cake 2 cups Original Bisquick mix 1 cup milk 2 eggs Powdered sugar, for topping -Pour oil about one inch deep into a large saucepan or stockpot. Heat over medium heat until a candy thermometer reads 350 to 360 degrees F. Meanwhile, combine Bisquick, milk and eggs in a large bowl; stir until well mixed. Pour batter into squeeze dispenser bottles.