Look for apricot filling in the supermarket next to pie filling.
Do not use whipped margarine, butter or low-fat spread for baking. Whipped solid fats contain air and water to make them the right consistency for spreading. The extra ingredients make these whipped fats unreliable in baked recipes.
Nuts have a high fat content, which can make them turn rancid. It's best to purchase only the amount of nuts you'll immediately use. Otherwise, seal the nuts in an airtight container and freeze them for up to six months. Taste the nuts to be certain they are fresh before adding them to recipes.