Beef and Orzo Skillet

Ingredients

• 1 cup halved fresh mushrooms
• 2 celery ribs, thinly sliced
• 1 medium sweet yellow pepper, cut into 1-inch pieces
• 1 medium onion, chopped
• 1 tablespoon olive oil
• 2 cans (14-1/2 ounces each) fire-roasted diced tomatoes, undrained
• 2 cups cubed cooked beef brisket
• 1 cup beef broth
• 3/4 cup uncooked orzo pasta
• 1/2 cup barbecue sauce
• 1 teaspoon dried oregano