Ingredients
- 3 tablespoons butter
- 2 lbs sirloin beef tips
- 2 tablespoons all-purpose flour
- 1 white onion, diced
- 8 oz sliced cremini mushrooms
- 2 teaspoons garlic powder
- 1 teaspoon onion powder
- 1 teaspoon dried thyme
- 1 teaspoon dried rosemary
- 1 beef bouillon cube
- 1 tablespoon Worcestershire sauce
- 1 bay leaf
- 1/2 cup sliced pepperoncinis
- 1 1/2 cups-2 cups beef stock
- 2 tablespoons cornstarch
- Kosher salt and freshly ground black pepper, to taste
