Bloom Gelatin: Mix gelatin with water and set aside.
3 teaspoons gelatin, 3 tablespoons water
Heat Milk: Combine milk and vanilla extract; heat until just before boiling.
3/4 cup full fat milk, 1 1/2 teaspoons vanilla extract
Mix Yolks: Whisk yolks and sugar in a separate bowl.
3 egg yolks, 4 1/2 tablespoons sugar
Temper Eggs: Slowly add hot milk to yolks while whisking to prevent curdling.
Cook Mixture: Return to the pot and simmer on low until thickened, stirring constantly, then cook for an additional 1-2 minutes.
Add Gelatin: Remove from heat, stir in bloomed gelatin and whisk until smooth. Cool to about 105°F or 40°C.
Whip Cream: In a chilled bowl, whip the heavy cream to medium or firm peaks. Chill until needed.
1 1/2 cups heavy cream
Strain Anglaise: Strain the creme anglaise into a large bowl to remove any lumps.
Fold in Cream: Gently fold in whipped cream in thirds to maintain volume. Stir until the mixture is uniform in color.