Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make nutella chocolate popsicles [title] Blend the nutella and condensed milk together first. [step] This is best as it helps to prevent the creation of lumps from the nutella. [substeps] While you can throw all the ingredients in at once and blend, you risk some lumps forming.

Ending1: [title] Add in half of your heavy cream. [step] Blend, then add in the other half and blend again. Ending2: This completely minimizes the possibility of any lumps forming, but won't create the thick nutella or shots. [title] Add the butter, sugar, and vanilla. Ending3: This is why it's very important to blend the ingredients first. The nutella is milk, so you need to blend it together. Ending4: [title] Pour the condensed milk over the nutella mixture. [step] After everything is mixed, you can pour the condensed milk mixture over the nutella.

Answer format: ending1/ending2/ending3/ending4