Shop with a multimeal mission in mind. "Can that quinoa be served for breakfast and a lunch or dinner meal? Yes, yes it can! Using different spices and cooking techniques can help vary the flavor profile so you get an exciting and delicious meal every time," says Shaw. The same goes for potatoes. "These take less than five minutes to make in the microwave, contain important nutrients like potassium and vitamin A if you go for the sweet potato variety, and most importantly, are budget-friendly," says Shaw.