At one end is a Tanoa (wooden or clay mixing bowl). It enters the Capital Beltway at the Springfield Interchange, also known as the Mixing Bowl. The Mixing Bowl interchange connects Washington Boulevard with Interstate 395, the Shirley Highway. After that, the buttermilk pancake mix is stirred with the water in a mixing bowl. In separate mixing bowl, sift 3 cups of flour, then add 2 1/2 tsp. A mixing bowl is a bowl used for mixing of ingredients.