Penne and Meatballs All'Arrabbiata

Ingredients (16)

• + 1 pound ground beef chuck add to pantry
• + ½ cup panko bread crumbs add to pantry
• + ¼ cup chopped flat-leaf parsley add to pantry
• ✓ 1 egg white
• + salt and ground black pepper to taste add to pantry
• + salt and ground black pepper to taste add to pantry
• + 1 tablespoon vegetable oil add to pantry
• + 3 ½ fluid ounces extra-virgin olive oil add to pantry
• + ¾ cup sliced white button mushrooms add to pantry
• + 5 cloves garlic, minced add to pantry
• + 1 ½ teaspoons red pepper flakes add to pantry
• + 1 (15 ounce) can diced tomatoes add to pantry
• + 2 fresh tomatoes, diced add to pantry
• + salt to taste add to pantry
• + 2 teaspoons white sugar add to pantry
• + 1 (16 ounce) box penne pasta add to pantry