Cranberry Curd Tart

Name: Cranberry Curd Tart
Prep time: 45 min
Cook time: 15 min
Total time: 1 h
Cuisine: American
Ingredients: 1 1/2 cup rolled oats; 1 cup walnuts; 1/4 cup + 2 tablespoons brown sugar; 1 teaspoon cinnamon; 1/2 teaspoon salt; 1/4 teaspoon cardamom; 5 tablespoons cold unsalted butter (cubed); 12 ounces fresh cranberries; zest of 1 lemon; 3/4 cup plus 2 tablespoons sugar (divided); 1/4 cup water; 1/2 cup freshly squeezed lemon juice; 2 large eggs; 2 large egg yolks; 4 tablespoons unsalted butter (room temperature); pinch of salt