Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make mushroom sauce [title] Melt 2 tablespoons butter or margarine. [step] There are a couple different ways you can do this. You can put the butter in a microwave-safe container and melt it in the microwave ten seconds at a time, stirring it every ten seconds.

Ending1: This recipe calls for 2 tablespoons butter and ½ teaspoon or so of margarine. The butter is the easiest one for cooking with since it's easy to pierce and cooks evenly. Ending2: However, it must be integrated and constantly, or it can get too warm. [substeps] You can melt the butter in a microwave safe container in 30 second increments. Ending3: The butter will melt very quickly this way, so don't let it burn. You can also melt the butter on the stove. Ending4: Alternatively, you can stir it while boiling the vegetables. [title] Sauté mushrooms for a minute if you want them extra tender.

Answer format: ending1/ending2/ending3/ending4