Place all ingredients except for poppy seeds into the Vitamix container in the order listed and secure lid. Start the blender on its lowest speed, then quickly increase to its highest speed. Blend for 1 minute, then reduce speed. Remove the lid plug. Add poppy seeds through the lid plug opening. Continue to blend for 5 more seconds. Pour into 1 quart (0.9 liter) microwaveable bowl. Cook for 2 minutes on High. Whisk to keep mixture smooth. Microwave an additional 2 minutes