1 1/2 cups kale pulp leftover from a juicer (see Cooks Note)", "1 cup mayonnaise", "1/2 cup grated Parmesan", "Zest of 1 lemon, plus 1 tablespoon lemon juice", "2 cups grated Gruyere cheese", "Chips or crostini, for serving
Instructions
Heat the broiler.
Combine the kale pulp, mayonnaise, Parmesan, lemon zest and juice and 1 cup of the Gruyere in a bowl and mix to combine.
Transfer the mixture to a 9-inch pie dish or medium ovenproof skillet and top with the remaining 1 cup Gruyere.
Place under the broiler until the cheese starts to brown and the mixture starts to bubble, about 5 minutes.