Preheat grill to medium-high heat. ... bell peppers, onion, zucchini, squash, and cherry tomatoes ... cooking. Brush the vegetables with olive oil and sprinkle ... while finishing other dishes.
Melt butter in heavy large ... 3 minutes. Add zucchini and saute until just tender, ... green onions. Puree vegetable mixture with stock, buttermilk, sour ... Makes 1 3/4 cups.