
1 teaspoon plus 1 tablespoon olive oil, divided
2 (8-bone) lamb rib roasts (about 2⅓ pounds total), trimmed and frenched
Kosher salt and black pepper, to taste
3 slices sandwich bread, torn
½ cup loosely packed fresh parsley
¼ cup grated Parmesan cheese
1 tablespoon minced garlic
1 teaspoon kosher salt
1 teaspoon lemon zest
½ teaspoon black pepper
½ cup Dijon mustard
Fresh mint, for garnish