Creamy Spinach - With greens

2 tablespoons unsalted butter or 2 tablespoons unsalted margarine 2 tablespoons all-purpose flour 1 1/2 cups whole milk 1/4 cup heavy cream 1/4 lb smoked[...]

250 g fresh baby spinach leaves, rinsed and shaken mostly dry (1 bag) 400 ml whole milk salt , to taste 2 shallots , peeled, halved 1 garlic clove , peeled[...]