4 tablespoons butter unsalted cold plus more for the skillet cut into small pieces,
Equipment
bowl
frying pan
whisk
baking pan
roasting pan
grill
Directions
Preheat a grill to medium low.
Whisk the panko, brown sugar, 1/4 cup granulated sugar, the cinnamon, allspice, ginger and cloves in a medium bowl until combined. In another bowl, toss the rhubarb with the remaining 2/3 cup granulated sugar and the lemon juice to coat.
Butter a shallow 8-inch ovenproof skillet or flameproof baking dish.
Sprinkle 3 tablespoons of the breadcrumb mixture in the bottom of the skillet. Top with the rhubarb, then sprinkle with the remaining crumbs and the almonds. Dot with the cut-up butter.
Put the skillet on the center of the grill; close the lid or place a disposable roasting pan over the skillet. Grill until the filling is bubbly and the topping is golden brown and crisp, 15 to 20 minutes.