Shrimp Tostadas with Avocado Salsa Recipe 4

Name: Shrimp Tostadas with Avocado Salsa Recipe 4
Ingredients: 1 medium ripe avocado, peeled and chopped, divided; 1 tablespoon water; 3 teaspoons lime juice, divided; 2 teaspoons blackened seasoning, divided; 1 teaspoon ground cumin; 1 can (15 ounces) black beans, rinsed and drained, divided; 1 small navel orange, peeled and chopped; 1/4 cup chopped red onion; 1 jalapeno pepper, seeded and chopped; 1 tablespoon minced fresh cilantro; 6 tostada shells; 1 cup (4 ounces) shredded reduced-fat mexican cheese blend; 1 pound uncooked large shrimp, peeled and deveined