1/2 tsp. bulk pepper
1 tsp. dry mustard
1 tsp. chili powder
1 tbsp. Worcestershire sauce
1/2 c. ketchup
1/2 c. vinegar
1/2 c. water
1 tbsp. flour
1 tbsp. molasses
1/4 tsp. red pepper

Put all together; whisk around until no lumps. Put in microwave until bubbly and stir until thick.