Heat oil in a large saute pan. Add zucchini, peppers, and onions. Season. Saute on medium-high heat until nearly tender. Add garlic. Saute on medium-low heat until garlic is fragrant. Add sage and toss.

Variations; Parmesan, gruyere, heavy cream, vegetable stock, flavored olive oils or butters, horseradish, mustard, parsley, cilantro, chives, scallions, bacon, roasted bell peppers, yellow squash, shallots, tomatoes