Foryoueats: Nutella Bread Pudding

Ingredients

• 1 teaspoon butter, or as needed
• 6 slices bread, or more to taste
• 1 (12 fluid ounce) can evaporated milk
• 1/4 cup white sugar
• 1/4 cup brown sugar
• 3 eggs
• 1 teaspoon vanilla extract
• 1/2 teaspoon ground cinnamon
• 1 dash salt
• 3 tablespoons melted butter
• 1/3 cup chocolate-hazelnut spread (such as Nutella®)
• 1/2 cup chopped walnuts