In a large bowl, mix flour and pepper then add bite sized cuts of meat and coat with flour. In a large nonstick skillet or Dutch oven, heat oil over medium high heat. Add meat and onions, sauté, stirring frequently, until meat is nearly browned on all sides, about 5 minutes. Add stock and sherry, stir well. Partially cover and simmer over low heat, stirring occasionally, 1 1/2 hours, or until meat is tender.

While meat simmers, sauté mushrooms, 1 tbsp butter and a splash of sherry in a nonstick skillet over medium heat, stirring occasionally. Cook 20 minutes then add mushrooms to the meat.

Cook macaroni according to package directions and drain.

Place yogurt, Spiceitup! Jalapeno Ketchup, Worcestershire sauce and salt in a medium bowl and whisk it till it is completely combined then set aside. When meat is done, stir in this mixture and heat 5 minutes. Serve over macaroni. Makes 6 big servings.