Good-Cooking - Crockpot Hungarian Goulash

Ingredients

• 2 pounds round steaks, cut in 1/2-inch cubes
• 1 cup onion, chopped
• 1 clove garlic, minced
• 2 tablespoons flour
• 1 teaspoon salt
• 1/2 teaspoon pepper
• 1 1/2 teaspoons paprika
• 1/4 teaspoon dried thyme, crushed
• 1 (14 1/2 ounce) can tomatoes
• 1 cup sour cream