Zucchini, Chayote And Yellow Squash - butter

Ingredients

• 6 tablespoons butter
• 1 1/2 cups finely chopped white onions
• 1 1/2 tablespoons minced garlic
• 2 3/4 lbs chayotes, peeled, pitted, cut crosswise into 1/4-inch slices
• 18 ounces zucchini, cut crosswise into 1/4-inch slices
• 14 ounces crookneck yellow squash, cut crosswise into 1/4-inch slices
• 3 tablespoons chopped chives
• 3 tablespoons chopped fresh cilantro