Corn - straight onto the grill in husk and shuck it afterward. Most people end up eating it plain / no butter or salt because the husk adds lovely flavor and kernels a bursting juicy and slightly caramelized
Portabello - olive oil kosher salt pepper on the gills for a bit, then cook gills down to start till juicy
Asparagus - drizzle over / marinate 5 min in olive oil S&P. Directly on grill till ends are crispy
Brussels sprouts - marinate in ginger garlic olive and sesame oul and soy sace, upper shelf
Eggplant / Zucchini / squash - cut in half, pierce all over. Olive oil S&P. Grill cut side down. Slice up zucchini and squash after. Eggplant stir with fork into a baba ganoosh type
Carrots & baby or fingerling potatoes - olive oil S&P. directly on upper grill
Cut potatoes - tinfoil pouch or container half closed, w garlic, herbs (like rosemary), onion, etc
Fennel bulb, onion, etc - cut in halves low heat directly on grill OR sliced up in butter in a tinfoil pouch half closed
Leafy greens - tinfoil container w garlic & slt pepper
Tomatoes - direct on until charred
Other fruits (pineapple, peaches, etc.) sliced and charred
Stuffed apples - top shelf, low ish heat
Augratins (potato / cauliflower / etc - tinfoil half open
Peppers - ditto
Stuffed jalapeño : vertically for egg and cheese or cut in half and wrappen in bacon for chev