Mac and Cheeseburger

INGREDIENTS

8 oz

uncooked whole-grain rotini

1/2 lb

extra-lean ground sirloin

1/4 cup

prechopped yellow onion

1 tsp

Worcestershire sauce

1/2 tsp

dry mustard

1 14.5 ounce can

unsalted fire-roasted diced tomatoes, drained

1 cup

1% low-fat milk

1 1/2 tsp

all-purpose flour

3 oz

preshredded reduced-fat cheddar cheese (about 3/4 cup)

3 tbsp

1/3-less-fat cream cheese

2 tbsp

chopped flat-leaf parsley

1/2 tsp

kosher salt

1/4 tsp

black pepper