penne pasta with olives and tomatoes

Ingredients

• 6 tablespoons olive oil, extra virgin divided
• 1 1/2 cups onions, vidalia, chopped
• 1 teaspoon garlic minced
• 1 or 2 cans 28 oz italian plum tomatoes ,drained
• 2 teaspoons fresh basil chopped
• 1 1/2 teaspoons red pepper flakes
• 2 cups chicken stock
• - salt and pepper to taste
• 1 pound penne pasta
• 2 1/2 cups havarti cheese,grated
• 1/2 cup kalamata olives,sliced
• 1/2 cup fresh parmesan cheese,grated
• 1/4 cup fresh basil,chopped [garnish]