Step 1

Preheat the oven to 375 degrees Fahrenheit.

Step 2

Combine the egg, butter, almond flour, salt, baking powder, erythritol and vanilla in a medium bowl.

Step 3

Mix well with a fork until a dough is formed.

Step 4

Place the chopped walnuts on a plate.

Step 5

Form the dough into 1.5 inch balls and roll in the walnuts to coat.

Step 6

Place on a parchment-lined cookie sheet.

Step 7

Bake for 8 minutes.

Step 8

Remove from oven and press a small dent into the center of each cookie.

Step 9

Place approximately 1 teaspoon of jam in each cookie dent.

Step 10

Return to the oven and bake an additional 10 minutes.

Step 11

Remove and transfer to a rack or platter to cool for 30 minutes.

Step 12

Cookies MUST be fully cool to stay together – until then they will be quite fragile, so handle gently when transferring.