Dutch strawberry quark tart

Ingredients

• 200 gram dry cookies such as graham crackers
• 150 gram butter + extra for coating
• 500 gram plain quark
• 1 lemon (zest + juice)
• 325 gram frozen strawberries, or use fresh ones to create a puree
• 14 gelatin leaves
• 250 ml whipping cream
• 4 tablespoon white caster sugar
• 100 ml water
• 1 tablespoon sugar
• 3 tablespoons cornstarch or use gelatin instead
• 250 gram fresh strawberries for garnish
• optional: basil cress or use basil leaves for garnishing