The invention concerns a microfoamed fruit or vegetable puree containing native defatted soluble seric proteins and optionally a texturing agent, the overrun being not more than 50%, the average diameter of the bubbles being less than 200 μm and the microfoamed fruit or vegetable purée being stable for at least 28 days at a temperature ranging between 1 and 10° C. The invention also concerns a method for preparing same.