Sweet And Sour Beef - cooking recipe

Ingredients

2 c. cubed cold roast beef
2 Tbsp. flour
2 Tbsp. butter
1 tsp. dry mustard
1/2 c. vinegar
1 pkg. dry onion soup mix
1/2 c. hot water
1 small can pineapple chunks, drained

Preparation

Brown cubes with butter in a large skillet.
Stir in flour. Combine the remaining ingredients and add to meat mixture. Simmer 20 minutes and serve over fluffy rice.