Caramel and Vanilla Pie

Caramel Sauce

• 9 oz sugar
  o bien 9 oz brown sugar
• 7 ½ oz heavy whipping cream, divided
• 36 oz water, divided
• 1 tsp lemon juice
• 1 oz unsalted butter, cold, in one cube (approx. 1 in. x 1 in.)
• 1 tbsp vinegar

Tart Base

• 9 oz all-purpose flour, plus extra to dust
• 5 oz unsalted butter, chilled, cut into pieces
• 3 ½ oz sugar
• 1 large egg

Vanilla Whipped Cream

• 1 ½ oz sugar
• 1 vanilla bean pod, seeds only
• 10 ½ oz heavy whipping cream, chilled