Penne with Vegetables and Kefir Tomato Sauce

Ingredients

• 1 cup Lifeway Nonfat Plain Kefir
• 1 lbs. gluten-free penne pasta
• 2 Tbsp extra-virgin olive oil
• 2 small zucchini, halved lengthwise and sliced 1/2 inch thick
• ½ large asparagus bunch, trimmed and cut into 2-inch pieces
• 3 cloves garlic, minced
• 1 small/medium yellow onion, diced
• 1-2 teaspoons red pepper flakes + extra for garnish
• 1 28-ounce can high-quality crushed tomatoes
• 1/4 cup parmesan cheese, for garnish
• Fresh basil, for garnish