INGREDIENTS
1 lb
sirloin steak (cut into 1 1/2" pieces)
1
shallot (chopped)
1 cup
red wine (merlot, cabernet, pinot noir)
1/2 cup
horseradish
1/4 tsp
dry mustard
1 pint
cherry tomatoes
1/2
large red onion
5
to 8 mushrooms (stems removed)
1
jalapeno (seeded and sliced)
1
bell pepper (seeded and sliced)