even famous french
chefs agree that gratins don’t
have to contain cheese

source, 6 servings
olive oil, s&p, herbs, 2 T capers, 2 T minced garlic, 3 sliced onions, 5 sliced tomatoes, 6 sliced potatoes, panko
bake 1st 6 in oven-safe pan 400 F, 15 minutes; layer in rest, distributing onion mixture, ending with oil+panko; bake 2 hours