We tried and ranked 13 fast-food double cheeseburgers based on taste and value. Erin McDowell/Business Insider We ranked double cheeseburgers from 13 fast-food chains to see which one reigns supreme. 7th Street Burger, the smallest chain, blew me away with its saucy smash burger. I thought In-N-Out's famous Double-Double was great value and delicious. Double the patties can mean double the deliciousness, but not all fast-food double cheeseburgers are created equal. For a definitive ranking, I…