for the graham cracker base

1 cup (2 sticks) unsalted butter
1/4 cup firmly packed dark brown sugar
1/4 cup granulated sugar
1/4 cup honey
1 1/2 cups whole wheat flour
1 cup all-purpose flour
1 teaspoon kosher salt
1/2 teaspoon ground cinnamon

for the honey marshmallow

3 envelopes unflavored gelatin (about 3 tablespoons)
1 cup cold water
2 cups granulated sugar
1/4 cup honey
2 large egg whites
1/4 teaspoon kosher salt
1 tablespoon vanilla extract

for the chocolate glaze

9 ounces bittersweet chocolate, chopped
3/4 cup heavy cream