Grilled Lamb Chops with Marjoram Butter and Zucchini

Name: Grilled Lamb Chops with Marjoram Butter and Zucchini
Cook time: 1 h
Total time: 1 h
Cuisine: American
Ingredients: 1 stick unsalted butter, softened; 1 scant tablespoon minced marjoram; 1 medium garlic clove, finely grated; 3/4 teaspoon fresh lemon juice; Kosher salt; Freshly ground pepper; Twelve 4- to 6-ounce lamb rib chops; Extra-virgin olive oil, for brushing; 2 medium zucchini—halved lengthwise, seeded and cut crosswise 1/2 inch thick