Pour oil into Ninja pot. Set to STOVETOP HIGH and heat oil. Add onion, fennel, salt to pot. Cook uncovered 10 minutes or until vegetables are very tender, stirring occasionally. Stir in garlic. Cook 1 minute, stirring often. Stir in wine, broth and red pepper.
Place mussels on wire rack. Place rack into pot. Set OVEN to 350*F for 10 minutes. Cover and cook until mussels are cooked. Place mussels into a serving bowl. Stir parsley into broth mixture and pour broth over the mussels.
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