Ravioli filled with roasted chicken and ricotta cheese in a basil alfredo sauce with red peppers. No preservatives. Inspected for wholesomeness by U.S. Department of Agriculture. At Stouffer's, great taste begins with the highest quality ingredients. It's good to know: Only the most flavorful tomatoes plucked ripe from the vine find their way into our delicious tomato sauce. Did you know, Stouffer's has over 90 delicious varieties with, no preservatives, 0 g trans fat.