Ground Cherry and Plum Chutney on Grilled Cheese

Name: Ground Cherry and Plum Chutney on Grilled Cheese
Ingredients: For the chutney:; 1 tablespoon Canola oil; 1 Medium shallot, minced; 3 Garlic cloves, minced; 1 tablespoon Fresh ginger, minced; 1/4 teaspoon Ground coriander; 1/4 teaspoon Ground cinnamon; 1/4 teaspoon Kosher salt; 2 tablespoons Agave nectar; 2 tablespoons Apple cider vinegar; 1/4 cup Water; 5 ounces About 1 cup, husked ground cherries, halved; 2 Medium plums, pitted and coarsely chopped; For the sandwich:; 4 tablespoons Butter, room temperature; 8 Slices whole wheat bread; 2 cups Gouda cheese, shredded; handful of arugula