Look for fresh blueberries that are firm, dry, plump and smooth-skinned and relatively free from leaves and stems. Berries should be deep purple-blue to blue-black; reddish berries aren’t ripe, but may be used in cooking.
Baking mix eases preparation of this quick coffee cake from Nancy Brown of Dahinda, Illinois. Fresh blueberries, lemon peel and a quick glaze really perk up the flavor. "It's among the quick treats I make for guests and family," Nancy notes.