4 teaspoons cornstarch |
1 tablespoon fresh lemon juice |
1 1/4 cups dry (brut) champagne |
1 large shallot, chopped |
2 cups coarsely grated gruyère cheese (about 7 ounces) |
1 1/3 cups coarsely grated emmenthal cheese (about 5 ounces) |
1/2 cup diced rindless brie or camembert cheese (about 3 ounces) |
generous pinch of ground nutmeg |
pinch of ground white pepper |
1 french-bread baguette, crust left on, bread cut into 1-inch cubes |