Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to freeze bone broth [title] Fill an ice cube tray with your bone broth. [step] If you have a lot of broth, you may need to use more than one ice cube tray. Carefully pour the broth from a bowl into the tray.

Ending1: You can also use a ladle to scoop the broth into the tray. Fill up each cell in the tray, but don't go too high or the cells may overflow. Ending2: [title] Add your thawed buds, ice water, broth, and cilantro. [step] Add 1/2 inch (1.3 cm) of chicken stock into the bowl with your thawed buds. Ending3: [substeps] If you prefer, you can skip this step and just use frozen veggies instead. [title] Place the chilled bones into the ice cube tray. Ending4: In some cases, you may need to fill two trays or small dishes with more broth. [substeps] Be careful if pouring the broth into an ice cube tray is going to affect your temperature.

Answer format: ending1/ending2/ending3/ending4