Pressure-Cooker Spicy Pork and Squash Ragu

Ingredients

• 2 cans (14-1/2 ounces each) stewed tomatoes, undrained
• 1 package (12 ounces) frozen cooked winter squash, thawed
• 1 large sweet onion, cut into 1/2-inch pieces
• 1 medium sweet red pepper, cut into 1/2-inch pieces
• 3/4 cup reduced-sodium chicken broth
• 1-1/2 teaspoons crushed red pepper flakes
• 2 pounds boneless country-style pork ribs
• 1 teaspoon salt
• 1/4 teaspoon garlic powder
• 1/4 teaspoon pepper
• Hot cooked pasta
• Shaved Parmesan cheese, optional