It sounds like a variation of a kuchen. Check below. This one calls for apples, though.

Here is a link that might be useful: Apple Kuchen

THE ARISTO-CAKE, FYRSTEKAKE (www.fromnorway.net)
At first this cake might seem a little daunting, it requires grinding hazelnuts or almonds, but after that it is as easy as -cake. To make an easier version of the cake, but just as delicious, substitute the hazel filling with a layer of jam or applesauce.

1 large or 2 small

250 grams flour
125grams butter or margarine
125 grams sugar
2 tsp. baking powder
1 egg

Almond Filling
200 grams almonds
200 grams powdered sugar
1/2 tsp. cinnamon
1/2 tsp. cardamom
1 large boiled potato, cold
1 egg hite

Crumble butter and flour together. Add the sugar, baking powder and then egg. Put 1/3 of the dough to the side, with the rest press it evenly out in a cake for, with a bit up the sides. Spread the almond filling out over the dough. Roll the remaining dough out to about 1/4 inch thickness and the cut into 1-inch strips. Lay half of the strips over the almond filling in one direction and the other half perpendicularly over them. Brush egg white.And bake for approximately 50 minutes at 350 degrees Fahrenheit.

Almond Filling
Grind almonds and mix together with the cooked potato. Add the powdered sugar and spices. If the mixture is too dry 1 tlb of water can be added.

It's Norwegian, huh? Good catch!

Thanks Ginger - coming from the queen of google, that's quite a compliment! :)