Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make zucchini walnut bread [title] Preheat the oven to 350 ° f (177 ° c). [step] As the oven preheats, prepare loaf pans and gather the ingredients listed above. [title] Prepare the zucchini.

Ending1: [step] Peel, cut into ¼ inch cubes, and slice lengthwise, leaving 1-inch cubes. Place the cubes in a 3 liter loaf pan and pour in a cup of buttermilk. Ending2: [step] Cut the flesh off the half of the tree or pear with the lengthwise cut. Each side should be cut into the proper length and width. Ending3: [step] Use a pestle to grind the dirt into a coarse crumbly mixture. You do not need to mash it yet. Ending4: [step] Grate the zucchini using the side of the grater with the largest holes. Make sure both ends of the zucchini are chopped off before grating.

Answer format: ending1/ending2/ending3/ending4