Serve these chewy dessert squares, known in Quebec as Carre Érable et Noix, in shallow bowls, with a pitcher of cream to be poured over the top.
- 8 tbsp. unsalted butter, cubed and chilled, plus more for pan
- 1 cup plus 2 tbsp. flour, plus more for pan
- 1⁄4 cup plus 2/3 cup maple sugar
- 1 cup maple syrup
- 1 cup chopped walnuts
- 1⁄4 tsp. kosher salt
- 2 eggs, lightly beaten
Heat oven to 350°. Butter and flour an 8" square baking pan; set aside.
In a food processor, process butter, 1 cup flour, and 1⁄4 cup maple sugar until combined; transfer to pan and press evenly into bottom. Bake until lightly browned, about 15 minutes.
Whisk remaining flour and maple sugar with maple syrup, walnuts, salt, and eggs in a bowl; pour over baked crust. Bake until filling is golden brown and set, 30 to 35 minutes.