heat-and-eat en · ADJ
Meanings
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(not-comparable) Being a ready meal.
Making foods from scratch also requires more time gathering ingredients than placing a container of heat-and-eat fare in your cart, but they'll taste better and be much more nutritious, making them well worth the extra time and effort.
2013, Christina T. Loguidice, Maurie Markman, Carolyn Lammersfeld, Cancer Nutrition and Recipes For Dummies, page 112: