Prep Time: 15
Cook Time: 60
Serves: Serves: 6
Heat oil in large skillet over medium heat. Add onions and cook 5 minutes, stirring occasionally until tender. Add garlic; cook 1 minute more. Stir in potatoes, salt, pepper and lemon rind; remove from heat.
Layer half of potato mixture into greased 8x8-inch baking pan; sprinkle with 1 cup cheese. Smooth remaining potato mixture over cheese; top with remaining cheese.
Combine bread crumbs, butter and rosemary in small bowl; sprinkle over cheese. Cover and bake in preheated 400°F oven 40 minutes. Uncover and bake 20 minutes more or until heated through and lightly browned.