If you're out of BEST Grouper, reach for Red Snapper, Haddock, Cod, Halibut, and Black Sea Bass. Red Snapper to Halibut, these fish are perfect substitutes for grouper. For cooking, Haddock also works well - adjust the amount to taste. Grouper, with its delicate flavor and versatile texture, often tops our list of go-to fish. … Continue reading Cooking with Ease: 5 BEST Grouper Substitutes