Dense violet foam coats the glass, anchored by the viscosity of emulsified banana starches and the sharp, bright astringency of cold berries. Achieving this specific texture requires a high-powered motor capable of pulverizing fibrous fruit cell walls before friction melts the ice completely. When skim milk meets frozen berries, the drop in temperature causes milk proteins to momentarily tighten around microscopic ice crystals, creating a rich mouthfeel despite the absence of high-fat dairy components. As the blender blades shear the ingredients at high revolutions per minute for a full forty-five seconds, trapped air expands the volume, transforming dense liquids and whole produce into an aerated, homogenous suspension. Selecting a whey protein powder with good dispersibility prevents clumping when it contacts the cold liquid phase, ensuring the amino acids distribute evenly throughout every ounce. Freeze the whole banana beforehand if an even thicker frost is desired without diluting the flavor profile with extra ice cubes. Pairing this beverage with a small handful of raw, unsalted almonds provides a necessary lipid contrast that slows gastric emptying, balancing the rapid carbohydrate absorption from the berries and fruit sugars. While the drink is formulated for immediate consumption, holding it in an insulated stainless steel tumbler for up to twenty minutes maintains the suspension before separation begins to occur.