Kielbasa in Fondue

Ingredients

• 1 pound fully cooked kielbasa, cut into 1/2-inch slices
• 2 cups beer
• 8 ounces shredded sharp natural Cheddar cheese
• 2 cups shredded natural Swiss cheese
• 2 Tbsp all-purpose flour
• 1/2 tsp dry mustard
• 1/4 tsp pepper
• 1 clove garlic, cut in half
• 1/8 tsp red pepper sauce