how long to cook asparagus when you blanch it
Blanch them (see below) in boiling water for 1 to 2 minutes only. Drain well and pack the asparagus in plastic freezer bags or containers, trying not to leave excess air space. Seal, label, and freeze at 0Â° F. You can use them for up to 8 months. Frozen asparagus doesnât need to be defrosted before cooking, and make sure you donât re-freeze previously frozen spears.