This 4-ingredient summer float takes two minutes to make — vanilla ice cream, sparkling water, fresh lemon, and a pinch of baking soda for an extra fizzy, soda fountain-style treat. No blender, no fuss.

Some recipes are worth saving just because they make summer feel a little more intentional. This easy summer float is one of them. Four ingredients, two minutes, and one tiny trick that takes it from basic to surprisingly impressive.

The secret is a pinch of baking soda. It reacts with the fresh lemon and sparkling water to create an extra-fizzy, old-fashioned soda fountain effect — the kind that makes a regular weeknight feel like a treat.

Here’s how to make it.

Ingredients:

• 2 scoops vanilla ice cream
• 1 cup sparkling water
• 1 squeeze fresh lemon
• Pinch of Arm & Hammer Baking Soda

Instructions:

1. Add two scoops of vanilla ice cream to a glass.
2. Pour in the sparkling water slowly.
3. Squeeze in fresh lemon.
4. Add a small pinch of baking soda and watch the reaction.
5. Serve immediately and enjoy.

Notes: Use a wide glass so you don’t lose the fizz overflow. The baking soda amount matters — a pinch goes a long way.

This is the kind of recipe that takes almost no effort but feels a little nostalgic every time. If you make it, let me know in the comments — and save this for your next summer get-together. ☀️

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