Bitter Caramel Ice Cream

Name: Bitter Caramel Ice Cream
Yield: Makes About 6 cups
Ingredients: 1 3/4 cups sugar; 1/2 cup water; 1/2 teaspoon fresh lemon juice; 2/3 cup whipping cream; 1/8 teaspoon fleur de sel; 9 large egg yolks; 3/4 cup sugar; 4 cups whole milk; 1/2 cup whipping cream; 1 tablespoon light corn syrup; 1 1/2 teaspoons fresh lemon juice; 1 teaspoon vanilla extract; 1/8 teaspoon fleur de sel