In a medium bowl, combine flour, salt, baking powder, baking soda, cream of tartar. Set aside.
2 ⅔ cup all-purpose flour, 1 tsp kosher salt, ½ tsp baking powder, ½ tsp baking soda, ½ tsp cream of tartar
In the bowl of a stand mixer, beat room temperature butter until fully whipped. Add brown and granulated sugars and beat on medium speed until light and fluffy, about 5 minutes. Add the egg and egg yolk and barely mix, about 15 seconds. Add the vanilla and strawberry extract and beat another 10 seconds.
1 cup unsalted butter, 1 cup brown sugar, ¼ cup granulated sugar, 1 large egg, 1 large egg yolk, 1 tsp vanilla extract, ½ tsp strawberry extract
Slowly add the flour mixture, I do this in two additions. Beat on medium speed until combined, about 20 seconds. Add the freeze-dried strawberries and white chocolate chunks and mix until fully combined but don't over mix. This should only take about 10 seconds.
2 cups freeze-dried strawberries, 6 ounces white chocolate bars
Place plastic wrap over the bowl and refrigerate for about an hour. More or less is fine. Place the extra granulated sugar along with the lemon zest in a small bowl.
½ cup granulated sugar, lemon zest
Preheat oven to 350℉ with oven rack in the middle of the oven. Line a baking sheet with parchment paper.
Remove the cookie dough from the refrigerator.* Using the large cookie scoop, scoop the dough without packing it in hard, then roll into the sugar and lemon zest mixture. Repeat with more cookie dough, placing 8 cookies on the baking sheet, about 3-inches apart. Bake for 10-12 minutes, or until the tops have evenly level. The sides will not show any color, the bottoms will be barely golden. *If the dough is hard to manipulate, let sit on counter to soften a bit.
Let the cookies cool completely on the baking sheet for 5 minutes, then transfer to a cooling rack to cool completely. Repeat with the rest of the cookie dough until all cookies are baked or you may scoop the remaining cookies and freeze to bake later. See notes for instructions.