Recipe: Peach-Raspberry Custard Pie with Streusel Topping

Is there anything more summery than the combination of juicy peaches and tangy raspberries? I make this tart, creamy pie once a year in the hotter months and adore the sunset-like blended colors it creates. Feel free to buy a pre-made shell, but I prefer to make my own shortcrust base, tightly adapted from Mark…