Ingredients:
For the Beef and Gravy:
3 tablespoons butter
2 pounds sirloin beef tips, cut into bite-sized pieces
2 tablespoons all-purpose flour
1 white onion, diced
8 ounces 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
½ cup sliced pepperoncinis
1½ to 2 cups beef stock
2 tablespoons cornstarch, mixed with 3 tablespoons water (for thickening)
Kosher salt and freshly ground black pepper, to taste
