Process of preparation of a foamed tea beverage

A process for the preparation of a foamed tea beverage, the process comprising:

• injecting a fluid under pressure into a capsule comprising a chamber containing a beverage-forming substance and having a beverage dispensing structure adapted to retain an extraction pressure in the chamber before allowing the beverage to flow out of the capsule at greater than 2 bar,
• wherein the beverage-forming substance is a powdered tea composition comprising at least 0.7 weight % of a tea extract powder and at least 1 weight % of a food grade acid, and wherein the beverage comprises a mixture of liquid and bubbles, a foam head above the mixture of liquid and bubbles, and the beverage does not include any creamer, lipid or thickener agent.