If you're playing at home, here's a recipe for Peach-Raspberry Pie from Martha's web site.
I've never made peach pie before, but I thought it was interesting that this recipe called for unpeeled peaches. I'm used to peeling fruit before baking with it. But who am I to question Martha? If she wants sliced, unpeeled peaches, then that's what I'll use.
I defrosted my frozen raspberries and drained off most of their liquid, because I didn't want a soggy pie. I added the raspberries, as well as all of the other ingredients of the pie filling, to the peaches.
The filling still seemed very liquidy, but I wasn't sure if I should remove more of the liquid before adding the filling to the pie crust. I ended up draining about half of the liquid, but in retrospect, I probably should have removed even more. Martha's instructions were to keep the fruit juices in the filling, but I think the fact that I used frozen raspberries changed things.
Next, I added the filling to the bottom of the pie crust, and I dotted the top of the pie with small pieces of chilled butter.
See how much liquid was in there? Alarm bells were going off in my mind, but since I'd already filled the crust, I didn't think there was much I could do at that point.
Finally, I topped the pie with my lattice crust and sprinkled (raw) turbinado sugar over the top for some extra crunch and texture.
After an hour in the oven, I had a freshly baked pie!
As you can see, the crust could not fully contain the fruit juices, so they started to spill over the top. This wasn't a huge problem, except that it made the pie a little messy, and the bottom crust had less structure than I would have liked.
But the flavor... oh, the flavor of the pie was incredible! The peaches were ripe and full of flavor. The raspberries added just a hint of tartness. The crust was delicate, flaky, and oh-so-buttery. I had to control myself from eating half of the pie in one sitting. This one is definitely a keeper.