Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make mozzarella sticks [title] Place the 24 mozzarella sticks in the freezer. [step] Freeze until hard; this step is essential for keeping the cheese intact when baking. [title] Prepare the coating.

Ending1: [step] Place the mozzarella sticks in a small jar or dessert dish. Dust the sticks with powdered sugar and drizzle with olive oil. Ending2: [step] Heat a nonstick cooking spray to use. Cut the mozzarella sticks in half lengthwise in three layers. Ending3: [step] Either cut the mozzarella sticks to the desired consistency or remove all the juice (sauce) from each smear to prepare the sticks for serving. [title] Melt the butter and sugar in a medium saucepan on medium heat. Ending4: [step] For each of these ingredients, use bowls with wide openings to make dipping easier. [substeps] Whisk the egg in a small bowl.

Answer format: ending1/ending2/ending3/ending4