Walnut Vinaigrette

This is the dressing I always have in my fridge: a straightforward vinaigrette elevated by the depth of flavor of the walnut oil. Walnut oil is one of my favorite ingredients, not so much because I like the flavor of walnuts themselves but because of its powerful aroma, which fills in the gaps in a simple combination of ingredients like olive oil and vinegar. Dress the greens of your choice with the vinaigrette, then top with about ½ cup (60