In small saucepan of simmering water, poach tofu for 2 minutes; drain, chop coarsely and let cool. In blender, blend lemon juice, mustard, garlic, anchovy, salt, sugar and pepper.
With blender running, gradually add tofu, cheese and oil. Transfer to small jar and refrigerate, covered, for up to 2 days.
Servings: 1/2 cup