The fruity esters of the apple blend with the savory aroma of the onion, creating a "third flavor" that is deeply comforting. Best Apple and Onion Varieties to Pair
Onions are rich in sulfur compounds, which provide their signature "bite." Apples, depending on the variety, offer malic acid for tartness and fructose for sweetness. When you sauté them together: Apple Onion
Use Granny Smith apples and Red Onions . The tartness of the green apple stands up to the high heat, and the red onion adds a pop of color and a mild, peppery finish. The fruity esters of the apple blend with