Free Mighty Slice High Protein Cheesecake
GreenJinn is giving you the chance to grab a free Mighty Slice High Protein Cheesecake (Caramelised Biscuit flavour, 115g) at Sainsbury’s – but be quick, it’s today only!
Each slice is packed with 16g of protein, lower in sugar, and layered with indulgence — a speculoos biscuit base (ginger spiced), hidden caramel, and creamy vanilla bean cheesecake. Perfect as a guilt-free treat or post-gym snack.
To claim yours, simply pick one up at Sainsbury’s, upload your receipt to the GreenJinn app, and get 100% cashback. Easy snack!