Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make mascarpone [title] Fill the bain marie with water, and place on a stove top over high heat. [step] Gas stoves work best. As the pans and water heat up, you may reduce and readjust the heat.

Ending1: [title] Add 1 quarter of heavy cream to the top of the bain-marie. [step] Heat, stirring constantly, to a steady temperature of about 180 degrees f (about 82 c). Ending2: [title] Simmer uncovered until the water boils and the sugar is dissolved. [step] Be careful not to let it boil too long-whisking constantly may expose the parsley, which will taste bitter. Ending3: [title] Once the water is absorbed, add the water, one minute at a time, and mix with a whisk in order to combine. [step] As the water heats up, reduce and reposition the heat to high. Ending4: [title] Place 2 inches (5 cm) of the saucepan over medium heat. [step] You will be using the slow cooker to cook the mascarpone.

Answer format: ending1/ending2/ending3/ending4