I had two jam sandwiches.

我吃了两个花生酱果酱三明治。

《柯林斯英汉双解大词典》

This sociable feast involves drinking good quality tea whilst nibbling on dainty sandwiches, scones with jam and cream and a selection of small cakes.

这种社交活动包括：饮用质量上好的茶，同时小口品尝精致小巧的三明治、司康饼配奶油果酱以及精选的小蛋糕。

youdao

At around 4, she'll eat afternoon tea. She loves chocolate, but her favorite indulgences are jam pennies, little biscuit sandwiches with jam in the middle.

在下午4点左右，她会吃下午茶。她热爱巧克力，但她最喜欢的还是果酱便士，这是一种像饼干一样大小填了果酱的小三明治饼干。

youdao

On Tuesday, the miners' menu included tea, herbal infusions, a yogurt-and-cereal shake for breakfast, chicken sandwiches for lunch, kiwi at mid-afternoon, and jam sandwiches for the evening meal.

CNN: New video shows trapped Chilean miners in good spirits