Preparation Stir coriander, cumin and turmeric in small skillet over medium heat until lightly toasted, about 3 minutes. Transfer to processor. Add red peppers, onion, chilies and garlic. Blend to form smooth paste. Mix in honey, lime juice and peel. With machine running, gradually blend in 1/4 cup oil. Season with salt and pepper. Transfer to bowl. Cover; chill overnight. Thread 1 shrimp and 1 pineapple cube onto each skewer. Brush with 3 tablespoons oil. Sprinkle with salt and pepper. (Can be made 8 hours ahead. Cover; chill.) Preheat broiler. Arrange skewers in single layer on 3 baking sheets. Working in batches, broil until shrimp are almost cooked through, turning once, about 2 minutes per side. Brush shrimp and pineapple with some red pepper sauce. Broil 1 minute longer. Arrange skewers on platter. Sprinkle with green onions and sesame seeds. Serve with limes and remaining sauce.
Preparation Stir coriander, cumin and turmeric in small skillet over medium heat until lightly toasted, about 3 minutes. Transfer to processor. Add red peppers, onion, chilies and garlic. Blend to form smooth paste. Mix in honey, lime juice and peel. With machine running, gradually blend in 1/4 cup oil. Season with salt and pepper. Transfer to bowl. Cover; chill overnight. Thread 1 shrimp and 1 pineapple cube onto each skewer. Brush with 3 tablespoons oil. Sprinkle with salt and pepper. (Can be made 8 hours ahead. Cover; chill.) Preheat broiler. Arrange skewers in single layer on 3 baking sheets. Working in batches, broil until shrimp are almost cooked through, turning once, about 2 minutes per side. Brush shrimp and pineapple with some red pepper sauce. Broil 1 minute longer. Arrange skewers on platter. Sprinkle with green onions and sesame seeds. Serve with limes and remaining sauce.