1
Preheat oven to 500 degrees.
2
Heat a lf nonstick skillet over high heat; add onion. Coat onion with cooking spray; stir in 1/2 t seasoning blend. Saute' 11-12 min. or until onion is tender and golden brown. While onion cooks, add 2 T water a a time; cook each time until liquid evaporates, scraping pan to loosen browned bits.
3
While onion cooks, combine broth & remaining 1.5 t seasoning in a med saucepan; cook over med heat until hot. Remove pan from heat; add beef, pushing down into liquid until covered. Let stand 5 min.
4
While beef stands, place rolls, cut sides up, on a baking sheet. Bake at 500 degrees for 4 min. or until bread is lightly toasted.
5
Remove beef from broth, allowing excess broth to drip back inot pan; reserve broth. Arrange beef evenly on bottom halves of rolls; top evenly with onion, cheese clices, and remaining bread halves. Serve with warm broth for dipping. (serving is 1 sandwich & 2 T broth for dipping)