Ground Beef "Stroganoff"(Weight Watchers) - cooking recipe

Ingredients

1 Tbsp. plus 1 tsp. margarine, divided
2 Tbsp. all-purpose flour
1 c. evaporated skimmed milk
1 Tbsp. Worcestershire sauce
1 tsp. salt, divided
1/8 tsp. white pepper or to taste
1/2 c. minced onion
2 garlic cloves, minced
2 c. sliced mushrooms
1 lb. cooked ground beef, crumbled
1 c. plain low-fat yogurt
1 Tbsp. chopped fresh parsley

Preparation

In small saucepan heat 1 tablespoon margarine over medium heat until bubbly and hot; add flour and mix well.
Using wire whisk, gradually stir in milk and cook, stirring constantly, until mixture is smooth.
Stir in Worcestershire sauce, 1/2 teaspoon salt and the pepper.
Reduce heat to low and let simmer, stirring frequently, until sauce is thick, 10 to 15 minutes.