Green Olive and Garlic Carmelized Onion Tapenade Crostinis Serves: 30 Ingredients 1 large sweet onion, halved and sliced thin 1 large red onion, halved and sliced thin 1 tablespoon butter kosher salt 2 cloves garlic, minced 1 7 oz jar [url href="http://www.starfinefoods.com/our-products/olives/whole-manzanilla-spanish-olives/" target="_blank"]STAR Spanish olives[/url], drained and minced 1/4 cup chopped fresh parsley 1/4 teaspoon