Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make vegetarian stroganoff [title] Sauté the shallot with the butter until it turns golden. [step] Melt the butter in a large frying pan over medium-high heat. Add the sliced shallot and let it cook until it starts to turn golden.

Ending1: [title] Pour and combine the mushrooms and onions into the melted butter. [step] Grate the shallot with a paring knife. Ending2: As soon as the shallot turns golden and the butter begins to shimmer, cut it into pieces. [substeps] Trim and discard the shallots. Ending3: [substeps] Doing this will save you a lot of time. This will also offer more flavor to your stroganoff. Ending4: Stir it occasionally with a wooden spoon or rubber spatula. This will take about 2 to 3 minutes.

Answer format: ending1/ending2/ending3/ending4