Step 1

In 12-inch skillet, brown beef, onion and garlic over medium-high heat, stirring frequently, until thoroughly cooked; drain.

Step 2

Stir in hot water, milk, sauce mix and uncooked pasta (from Hamburger Helper box), tomatoes, relish and mustard. Heat to boiling, stirring occasionally.

Step 3

Reduce heat; cover and simmer about 12 minutes, stirring occasionally, until pasta is tender.