Summer Vegetable Soup

Ingredients

• 1 large yellow onion, peeled and chopped
• 4 cloves garlic, peeled and minced
• 6 medium tomatoes, chopped
• 2 medium zucchinis, diced
• 1 yellow squash, diced
• 3 ears corn, kernels removed (about 2 cups)
• 6 cups vegetable stock or low-sodium vegetable broth
• ½ cup finely chopped basil
• Zest and juice of 1 lemon
• Salt
• freshly ground black pepper