Shells and Chard Stovetop Macaroni and Cheese

Ingredients (10)

• 10-12 ounces shells macaroni pasta
• 1 large bunch Swiss or rainbow chard, chopped
• 1/2 lemon, juice only
• 1 tablespoon olive oil
• 1/4 cup unsalted butter
• 1/4 cup all-purpose flour
• 2 cups milk
• 2 cups cheddar cheese, grated
• 1/2 teaspoon white pepper
• 1/2 cup Panko breadcrumbs, toasted