Apples keep longer when refrigerated in the crisper drawer. Keep away from other produce as apples produce ethylene, a ripening agent. Raw apples are great as a snack or sliced thinly and added to green salads. Some varieties of apples hold up better for baking than others
Avocados ripen quicker on the counter. Once ripened, it's best to store them in the fridge. With most avocados, you can tell they are ripe enough to eat if they have a slight give with a gentle squeeze. Mash avocado, add lemon juice, salt, and pepper to make a simple guacamole.
Ripen mangoes on the counter, then store in the fridge. Give it a slight squeeze, and when ripe, it should yield under gentle pressure - similar to an avocado. Carefully remove the fruit from the large flat seed that runs down the center by carving lengthwise down each side. Enjoy in smoothies, salads, salsas or desserts
To slow ripening, wrap the stems with aluminum or cling foil.