I hate letting ingredients, especially expensive ones, go to waste. It's sometimes hard to find recipes that use a certain ingredient, especially if they only use a little bit. Here's a variety of recipes that use almond flour or ground almonds in one way or another.
There are a number of fancy ingredients in these bars, but they include almond flour as a key ingredient.
Gluten-free is a staple use of almond flour. (Note: The original site went extinct, so the link is to a Wayback Machine version.)
Substitute almond flour for the ground almonds and hazelnuts to make this fancy dessert a little more streamlined.
If you're looking for something even more out-of-the-box, here's a faux cheese.
When in doubt, make brownies.
You very well might have bought the almond flour to make macarons. Just in case you didn't, or you forgot about macarons, here's a recipe.