Ingredients

1 beef rib eye roast (5 lb.), 2 or 3 ribs
2 tsp. whole blackpeppercorns, cracked
4 tsp. fresh thyme leaves, divided
1 cup BREAKSTONE'S or KNUDSEN Sour Cream
1/4 cup KRAFT Prepared Horseradish
1 tsp. sugar
1 Tbsp. butter
1 sweet onion, very thinly sliced
1 pkg. (8 oz.) slicedfresh mushrooms
1 Tbsp. flour
1 cup fat-free reduced-sodium beef broth
1 Tbsp. GREY POUPON Dijon Mustard

Description

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