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Mousseuse Sauce
Created by Chef Juliette
A cool, aerated compound butter that becomes sauce only on the fish: cold water, firm cream, and softened Manied Butter whisked into an ivory mousse, ready for the heat of the platter.
Sauce Mousseuse (foamed butter sauce) teaches one true thing before you touch the pan: temperature is an ingredient. The butter mixture must be soft enough to accept cold water without melting, the cream must hold its air, and the boiled fish must arrive hot enough to turn the finished mousse into sauce at the table.
The original expected a saucier, a scalded vegetable pan, and firm whipped cream already waiting on the station. At home, a small stainless-steel saucepan and a narrow cup do precisely the work required. The book's half-pound base is halved here for four fish portions, while its ratio and sequence remain intact. Ready-whipped cream was brigade scaffolding. The gradual cold-water emulsion and the final fold are the dish, and those stay.
Watch the butter as the water enters. It should become paler and lighter while remaining smooth, never oily and never flooded. If the temperature slips, stop before adding more water and correct it as directed. Ça se rattrape. This quiet emulsion is the step that decides everything.
Ingredients
Manied Butter
Quantity
1/2 cup (120 ml / 113 g) Manied Butter (No. 151)
freshly made and softened until pliable
ice-cold water
Quantity
6 tablespoons plus 1 teaspoon (95 ml / 95 g)
fine table salt
Quantity
1/4 teaspoon (1.25 ml / 1.5 g)
| Ingredient | Quantity |
|---|---|
| Manied Butterfreshly made and softened until pliable | 1/2 cup (120 ml / 113 g) Manied Butter (No. 151) |
| ice-cold water | 6 tablespoons plus 1 teaspoon (95 ml / 95 g) |
| fine table salt | 1/4 teaspoon (1.25 ml / 1.5 g) |
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