Known for their fantastic blue hue, earthy flavour, and health benefits, butterfly pea flowers are commonly accustomed to brew a herbal tea known as blue pea tea To change the colour from blue to purple, incorporate some lemon juice. To alter the colour to red, insert in hibiscus leaves. https://benefitsofgreenteaonanemp00099.blogdon.net/top-blue-tea-side-effects-secrets-47170506