To Amy Thielen's Grandma Addie, butter was the essential lifeblood of every dish. The famous Midwestern double-crust fruit pies rely solely on the quality of butter to achieve the perfect crust, gathered from independent creameries across the Midwest. After visiting Nordin Creamery in Westby, Wis., Amy butters up to prepare Blueberry Lemon Pie, New Potatoes With Grilled Onion Butter and Greens With Spiced Butter and Fresh Ricotta.