The "cream" flavor in this blueberry-muffin-inspired cookie comes from one of Tosi's favorite inventions—Milk Crumbs (a streusel made from dry milk powder). The key to the soft center and crunchy edges? Scooping the dough onto the baking sheets and letting the cookies rest in the fridge overnight. Timing note: You'll need to make the Milk Crumbs before you start preparing the cookie dough.
Recipe information
Total Time
27 hours (includes chilling, baking, and cooling time)
Yield
Makes about 35
Ingredients
Special Equipment
Preparation
Step 1
Combine butter, both sugars, and corn syrup in large bowl of stand mixer fitted with paddle attachment. Beat on medium-high speed until fluffy and pale, occasionally scraping down sides of bowl, about 3 minutes. Add eggs; beat on medium-high speed until mixture is very pale and sugar is completely dissolved, about 10 minutes. Add flour, baking powder, baking soda, and salt; beat on low speed just until blended, occasionally scraping down sides of bowl. Add Milk Crumbs; mix on low speed just until incorporated. Remove bowl from mixer. Stir in blueberries just until evenly distributed (dough will be very sticky).
Step 2
Using 1/4-cup ice cream scoop for each cookie, drop dough onto 2 large rimmed baking sheets. Cover with plastic wrap and refrigerate at least 24 hours. DO AHEAD: Can be made 2 days ahead. Keep chilled until baking time.
Step 3
Position 1 rack in top third and 1 rack in bottom third of oven and preheat to 375°F. Line 2 large (18x12-inch) rimmed baking sheets with parchment. Transfer 6 chilled dough scoops to each sheet, spacing at least 4 inches apart (cookies will spread). Bake cookies, 2 sheets at a time, until golden, reversing sheets halfway through baking, 20 to 22 minutes total. Repeat with remaining chilled dough, cooling and relining sheets between batches. Transfer cookies to racks; cool completely. DO AHEAD: Can be made 3 days ahead. Store in airtight containers at room temperature.
Recipe notes
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