STRAWBERRY AND CAMOMILE SHORTCAKES

400g pack Waitrose & Partners British Strawberries, hulled and halved, or quartered if large • 2-3 tbsp caster sugar, to taste • 1 lemon, zest • For the shortcakes: • 300ml double cream, plus extra for glazing • 2 camomile tea bags • 90g unsalted butter, cubed • 2 tbsp whole milk • 250g plain flour, plus extra for dusting • 2 tsp baking powder • 50g caster sugar, plus 1 tbsp • Pinch salt • ½ tsp vanilla bean paste or extract