Walnut Tartine with Whipped Blue Cheese and Fennel Apple Slaw

*This year I’ve teamed with California Walnuts to bring you several walnut studded recipes that I’m certain you will love. I mean have you seen our walnut cake?! Walnuts are full of good fats (2.5g/oz omega-3 ALA) and also offer protein (4g/oz), fiber (2g/oz) and antioxidants.* But my favorite thing about walnuts? They’re delicious. As …