Grilled Grouper Tacos

• 1/4 cup low-fat sour cream
• 3 1/2 tablespoons fresh lime juice, divided
• 3/4 cup fresh corn kernels or frozen corn kernels, thawed
• 2 small plum tomatoes, seeded and diced
• 1/4 cup thinly sliced green onions (about 3)
• 2 1/2 tablespoons olive oil, divided
• 2 tablespoons chopped fresh cilantro
• 1 teaspoon minced seeded jalapeno pepper
• 3/4 teaspoon salt, divided
• 1/4 teaspoon freshly ground black pepper, divided
• 1 1/2 cups thinly sliced onion
• 1/2 red bell pepper, seeded and cut into thin strips
• 8 (6-inch) tostada shells
• 1 pound grouper or other firm white fish fillets
• 1/2 teaspoon chili powder
• 1/4 teaspoon ground cumin
• Cooking spray
• 2 cups shredded romaine or leaf lettuce

1. Combine sour cream and 2 tablespoons lime juice. Cover and chill.
2. Place a large nonstick skillet over medium heat. Add corn; saute 3 to 4 minutes or until corn is lightly browned. Combine corn, tomato, green onions, 1 tablespoon lime juice, 1 tablespoon oil, cilantro, jalapeno pepper, 1/4 teaspoon salt, and 1/8 teaspoon black pepper in a bowl. Toss gently. Cover and chill.
3. Add 1 tablespoon oil to pan. Place over medium heat. Add sliced onion; saute 3 to 4 minutes or until onion is crisp-tender. Add bell pepper; cook 2 to 3 minutes or until pepper softens. Stir in 1/4 teaspoon salt; transfer to a bowl.
4. Heat tostada shells according to package directions; keep warm.
5. Prepare grill.
6. Combine fish, 1 1/2 teaspoons oil, 1 1/2 teaspoons lime juice, chili powder, cumin, 1/4 teaspoon salt, and 1/8 teaspoon black pepper in a large zip-top plastic bag. Toss gently. Place fish on grill rack coated with cooking spray; grill 6 to 7 minutes on each side or until fish flakes easily when tested with a fork. Flake fish.
7. Top each tostado shell with 1/4 cup shredded lettuce. Spoon onion and bell pepper mixture evenly over lettuce; divide fish evenly over onion and bell pepper mixture. Top fish with corn salsa; drizzle with the sour cream mixture.
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lowfat sour cream, lime juice, fresh corn kernels, tomatoes, green onions, olive oil, fresh cilantro, pepper, salt, freshly ground black pepper, onion, red bell pepper, tostada shells, grouper, chili powder, ground cumin, cooking spray, shredded romaine

Taken from www.myrecipes.com/recipe/grilled-grouper-tacos (may not work)