LITTLE CHUTE, WIS. — Kraft Foods Inc. on Thursday opened the doors to its newly expanded pizza plant in Little Chute. The 108,000-square-foot expansion includes a new pizza crust bakery line and an assembly line, and will add 300 jobs at the plant. "This major expansion in Little Chute shows our commitment to Wisconsin and gives us the capacity we need to maintain our strong momentum," said Tim Cofer, president of Kraft Pizza Co. "We’re extending our industry leadership by making more of the highest-quality pizzas and frozen meals." Kraft said almost all of its pizza is produced at its plants in Little Chute and Medford, Wis., and more than 75% of the cheese used on the pizzas is from Wisconsin. The company’s brands include DiGiorno, California Pizza Kitchen, Tombstone and Jack’s. Kraft is the No. 1 ranked frozen pizza vendor with dollar sales of $1.2 billion in the 52 weeks ended May 17, according to Information Resources, Inc.