Prepare your ingredients by measuring out the frozen strawberries and peeling the banana. If using fresh strawberries, hull them and freeze for at least 2 hours beforehand for the best texture. Break the banana into 3-4 chunks to help it blend more easily and evenly.
Add the white grape juice and orange juice to the blender first, creating a liquid base that will help the blades move freely. This prevents the frozen fruit from getting stuck at the bottom and ensures a smoother blending process with less strain on your blender motor.
Place the frozen strawberries into the blender on top of the juice layer. The strawberries should be fully frozen for that signature thick, frosty texture that Panera is known for. You'll hear them tumble into the liquid with a satisfying clink.
Add the banana chunks and the vanilla Greek yogurt to the blender. The yogurt adds the creamy, thick consistency and subtle tang that balances the sweetness of the fruit. Make sure the yogurt is cold from the refrigerator for the best results.
Drizzle in the honey, which adds natural sweetness and helps replicate Panera's perfectly balanced flavor profile. The honey will coat the other ingredients with a golden sheen before blending begins.
Secure the blender lid tightly and start blending on low speed for 10-15 seconds to break down the frozen fruit. You'll hear the motor work as it crushes the ice-cold strawberries. Gradually increase to high speed and blend for 45-60 seconds until the mixture is completely smooth and creamy with no visible chunks.
Stop the blender and check the consistency by looking at the texture against the sides of the container. It should be thick enough to coat the blender walls but still pourable. If it's too thick, add 1-2 tablespoons more juice and blend for another 15 seconds. If too thin, add a few ice cubes or more frozen strawberries and blend again.
Pour the smoothie into a tall glass immediately while it's at peak frosty consistency. The smoothie should have a beautiful pink color with a velvety texture. Enjoy right away with a straw, as the smoothie will begin to separate and lose its creamy texture if left sitting for more than 10 minutes.