Hearty Sirloin Crock Pot Stew

2 pounds sirloin tips (cut into 1-inch cubes)
1 (14oz) can diced tomatoes
1 can beef broth
1 1/2 cup canned or frozen corn kernels
3 medium carrots (sliced)
1 medium onion (sliced)
2 garlic cloves (crushed)
1/2 teaspoon ground cumin
1 bay leaf
Salt and pepper to taste

Combine all ingredients and place in bottom of crock-pot. Cover and cook on low for approximately 8 hours or until beef is tender.