Roti Panggang dan Salad Kangkung Parmesan

Bahan-bahan (6 porsi)

• 1/3 cup olive oil
• 1/4 cup white wine vinegar
• juice of one lemon
• juice of one orange
• 1 shallot, minced
• 1/2 teaspoon salt
• 6 -8 slices French bread or baguette
• 4 tablespoons butter, melted
• 1/2 cup grated Parmesan cheese
• 5 -6 cups fresh kale, very finely chopped