Looking for a satisfying snack you can whip up in minutes? Try this recipe for delicious beer-batter onion rings. Explore the sizzling relationship between America's most popular grown-up beverage and an everyday vegetable. Let's make some beer-batter onion rings. If you're having trouble parting with a can of the good stuff for this recipe, consider this: A New Zealand study found that adding beer to batter helps reduce the oily fat content of fried food by as much as 40 percent. Yep, that's less fattening and tastes great. You will need onions, can of beer, flour and vegetable oil for frying.