Peaches and Cream Crepes

INGREDIENTS

• 1 cup whole milk
• 1/2 cup all-purpose flour
• 1/2 cup yellow cornmeal, preferably stone-ground
• 2 large eggs
• 5 Tbs. unsalted butter, melted
• 1 tsp. granulated sugar, plus more to taste
• 1/4 tsp. fine sea salt
• 4 peaches, halved, pitted and thinly sliced
• 1 Tbs. fresh lemon juice
• Canola oil for cooking
• 1/2 cup mascarpone cheese, at room temperature
• About 2 Tbs. heavy cream
• Confectioners’ sugar for dusting