Cut the bulbs in half lengthwise and slice them crosswise, making approximately 4 cups of sliced fennel. Simple to prepare and cook. Alternating rows, place one layer of zucchini and potatoes on the bottom of a 9×13 pan. Put another layer of zucchini and potatoes, salt and pepper, and cheese on top. Grease a low sided oven dish with the extra butter. Place in preheated oven and bake for … This is a good side dish to serve with many meats and fish. 2. - Preheat the oven to 180 ° C (th.6). 2 Heat 1 tbsp olive oil in a non-stick frying pan and add the tomatoes and garlic.Cook over a medium heat (stirring), for 5 mins until thickened. Bring to a boil over high; reduce heat to medium-low, and simmer until almost tender, about 10 minutes.