I guess I've kinda been in a baking mood lately...
By popular demand, I am including the recipe I used to make this. Most of the time when I cook, I am really bad at following recipes or recording exactly what I do. My process is very whimsical. But, I will try to give a basic summary of what I did here.
I started with the dough. It’s pretty basic: flour, cold cubed butter, cold water, a tiny bit of sugar and a splash of agave nectar. Mix, press, fold, refold, repress into a rectangle. (You could also save yourself from time by using a pre-made baking dough from the store.) Then, I took one large egg, 1-2 teaspoons cold water and whisked them together to make an egg wash that I brushed across the entire top of the dough. Finally, I took a sharp knife and scored about a one-inch border along the edge.
Next, I added the apples. I used Fujis here because it’s what I had in my fridge, but granny smith or pink lady apples would probably do well too. I sliced the apple thin lengthwise and then cut the slices in half. Then, I took about 1 Tablespoon butter and ½ teaspoon white granulated sugar (I like using the Sugar in the Raw kind) and microwaved them for about 30 seconds in a small-ish bowl. I added the apple slices to the bowl just to coat them slightly and then layered them on the dough. I poured a left-over butter/sugar mix across the top of the apples, and sprinkled some granulated white sugar along the edges of the dough.
Bake 400 degrees F for 20-25 minutes.
Finally, right after I took the tart out of the oven, I added a glaze. To make the glaze, I mixed about ¼ cup apple sauce and 1 Tablespoon butter in the microwave. Just spread It over the top of the apples and serve warm or room temp. Voilà ! :-)