INGREDIENTS
•
1 (8-oz.) package sliced fresh mushrooms
•
1 large sweet onion, cut in half and sliced
•
1 (3- to 4-lb.) boneless chuck roast, trimmed
•
1 teaspoon pepper
•
2 tablespoons olive oil
•
1 (1-oz.) envelope dry onion soup mix
•
1 (14-oz.) can beef broth
•
1 (8-oz.) can tomato sauce
•
3 tablespoons tomato paste
•
1 teaspoon dried Italian seasoning
•
2 tablespoons cornstarch