Vegan Low Fat Stroganoff

1 tablespoon Smart Balance light buttery spread (50 calories)
1 medium size onion, finely chopped
8 oz mushrooms, finely sliced (optional)
1 1/2 cups vegetable broth
5oz House Foods kingoshi tofu (soft tofu) (80 calories)
1/2 cup + 2 tbsp cannellini beans (150 calories)
1/4 + 2 tbsp West Soy unsweetened soy milk (38 calories)
1 teaspoon yellow mustard
3/8-1/2 tsp salt
freshly ground pepper
2 oz macaroni (200 calories) or 1 peeled potato diced, boiled (150 calories)

Blend tofu, cannelini beans, and soy milk until smooth. Set aside.
In a skillet melt margarine over medium heat and saute the onions for 5 minutes or until soft and translucent. Add mushrooms if using and saute stirring for five minutes more.
Raise heat to medium high and add the broth.
Stir in tofu mixture, salt, pepper, and mustard.
Serve with macaroni or diced potatoes.

Altered from http://vegweb.com/index.php?topic=7568.0
http://chocolatecoveredkatie.com/2016/02/22/vegan-cheese-sauce-low-fat-no-cashews/