Ingredient:

• 3 tablespoons canola oil
• 3 tablespoons butter, melted
• 1-1/2 teaspoons salt
• 1/2 teaspoon pepper
• 2 pounds Yukon Gold potatoes, peeled, sliced 1-in. thick
• 1-1/2 cups chicken stock
• 1 tablespoon lemon juice
• 6 garlic cloves, smashed
• 2 tablespoons minced fresh rosemary