6 tablespoons (3 ounces) (84 grams) unsalted butter, cut into pieces
1/4 cup (55 grams) light brown sugar
1/3 cup plus 1 tablespoon (80 ml plus 1 tablespoon) pure maple syrup or golden syrup
1/2 cup (65 grams) all purpose flour
2 cups (190 grams) old fashioned rolled oats
1 cup (100 grams) graham cracker crumbs (or crushed digestive biscuits)
1/4 cup (25 grams) sweetened or unsweetened coconut (optional)
1/2 teaspoon salt
1/4 teaspoon ground cinnamon