Add the strawberries sugar and lemon zest to a heavy bottom skillet or saucepan over medium heat
Cook for 4 to 5 minutes, then gently mash the berries
Continue cooking until thickened and jam like
In a small bowl mix the cornstarch with the lemon juice or water
Stir a spoonful of the hot strawberries into the slurry, then stir it back into the skillet
Cook 1 to 2 minutes more until thickened
Remove from heat and let cool slightly
Preheat the oven to 375°F
line baking sheets with parchment paper
Unroll the pie crusts and cut 20 circles about 2 1/2 inches wide, rerolling scraps as needed
Place 10 circles on the prepared baking sheets
Spread about 1 tsp cream cheese in the center of each
Top with about 1 tsp strawberry filling
Make an wash by whisking the egg and water together
Brush the edges with egg wash
Place the remaining dough circles on top and seal with a fork
Brush the tops with egg wash and sprinkle with the coarse raw sugar or plain sugar
Cut a small slit in the top of each pie
Bake for 18 to 20 minutes until golden brown
Cool slightly before serving