This satisfying accompaniment is named for the creator of the recipe.
Serves 6 to 8.
8 tablespoons (1 stick) butter
6 tablespoons (or more) milk
Cook potatoes in pot of boiling salted water until tender, about 15 minutes.
Meanwhile, melt 2 tablespoons butter in heavy large skillet over high heat. Add onions; sauté until golden, about 8 minutes. Add garlic; sauté 30 seconds.
Drain potatoes; return to same pot. Stir over low heat until potatoes appear dry. Transfer to bowl; add 6 tablespoons milk and 6 tablespoons butter. Using electric mixer, beat potatoes until smooth, adding more milk, if desired. Add onion mixture; beat just until blended. Season to taste with salt and pepper.