Blackberry-Mango Crumble

Ingredients

• 4 cups cubed peeled mangoes (about 4 medium)
• 4 cups fresh blackberries
• 1 tablespoon lime juice
• 1/2 cup sugar
• 1/4 cup cornstarch
• 1/4 teaspoon salt
• 1/2 cup quick-cooking oats
• 1/4 cup macadamia nuts, chopped
• 1/4 cup packed brown sugar
• 2 tablespoons sweetened shredded coconut
• 2 tablespoons all-purpose flour
• 1 tablespoon grated lime zest
• Dash salt
• 1/4 cup cold butter, cubed