This is a theme puzzle with the subject stated below. Find the listed words in the grid and when you have completed the puzzle, there will be letters left over. They spell out the alternative theme of the puzzle.
What’s to eat?
Beans Beef Buns Cake Cauliflower Cheese Chicken Coke Crumpet Dessert Devon Dips Drinks Duck Egg Fish Fruit Fudge Gingerbread Hints Ice Item Jams Lard Leeks Meat Milk Mince Mix Munch Oils Patties Peas Pie Pork Roast Sago Salad Scones Snags Soda Soup Squeak Stew Tripe Tuna Water Wine Wrap Yoghurt
Solution: 22 letters