First pinch the tops off and snap the dwarf beans and add them to an oven-proof dish.
Use a small amount of butter to grease an oven-proof dish (about 400ml capacity), then put the dish on a baking tray.
Place the mixture in a shallow oven-proof dish, and roast until the fennel is lightly browned, about 40 minutes.
Generously coat a 10-inch cast-iron skillet or oven-proof baking dish with 2 tablespoons olive oil.
Put the peach halves face up in a shallow oven-proof baking dish.
Arrange the plums skin side down, fairly tightly packed, in an oven-proof dish.
Spread the pudding in an oven-proof dish, about 9 inches square, that can go to the table.
Transfer the contents of the skillet to an oven-proof baking dish, and cover tightly with aluminum foil.
Toss the artichokes with the lemon juice and olive oil in an oven-proof dish.
To serve, put 1 diamond in the bottom of each of 4 oven-proof serving dishes and warm in oven.