In a large bowl, combine the garlic, parsley, sugar, oregano, mustard, salt, Coca-Cola, olive oil, and vinegar, stirring until the sugar is dissolved. Add the beans and shallots/onions; toss lightly with a fork. Pack into 1 quart jar. Cover and refrigerate several hours or overnight for the flavors to blend. Serve chilled or as a hot vegetable with steak, hamburger, or meat loaf. Makes 1 quart. Recipe: "International Cooking with Coca-Cola", a give-away pamphlet from The Coca-Cola Company, 1981