1 (2 1/2 oz.) jar sliced mushrooms
2/3 c. milk and mushroom liquid combined
1 1/2 lbs. ground beef
1 1/2 tsp. Worcestershire sauce
1 tsp. instant minced onion
1 c. grated Cheddar cheese
1/2 c. dry bread crumbs
1 egg
1/8 tsp. pepper
2 tsp. salt
1/2 c. catsup

Combine all ingredients except cheese and catsup. Mix until combined. Place mixture on sheet of wax paper and pat to form a 9x12 inch rectangle.

Sprinkle with cheese. Using wax paper to start roll, roll meat jelly-roll fashion beginning at small end. Place seam side down on roasting rack. Spread top with catsup. Microwave on 70 percent power approximately 16 minutes, or to an internal temperature of 180. Let stand 10 minutes. Serves 8.