Saucy Slow Cooker Pork Chops

INGREDIENTS

• 3 tablespoons olive oil
• 5 boneless pork chops, trimmed
• 1 onion, sliced
• 2 green bell peppers, sliced
• 1 (8 ounce) can tomato sauce
• 1/4 cup brown sugar
• 1 tablespoon apple cider vinegar
• 2 teaspoons Worcestershire sauce
• 1 1/2 teaspoons salt
• 2 tablespoons cornstarch (optional)