White Wine Vinegar (Best Option)
1 teaspoon per 1 tablespoon lemon juiceWhite wine vinegar contains acetic acid which mimics the citric acid in lemon juice, providing the necessary acidity to balance the creamy, starchy risotto. This acidity helps to cut through the richness and enhances the overall flavor profile.
When substituting, start with less than the lemon juice amount and adjust to taste, as vinegar can be more pungent. Add gradually near the end of cooking to preserve its brightness.
The final dish will maintain a similar acidic lift and freshness, preserving the intended balance and complexity of the risotto without introducing unwanted flavors.