Romesco Shrimp

Name: Romesco Shrimp
Ingredients: 2 teaspoons ancho chili powder; 1 cup toasted slivered almonds; 2 teaspoons minced garlic; 1 large roasted red bell pepper; 3 tablespoons tomato paste; 2 tablespoons red wine vinegar; 2/3 cup extra virgin olive oil; 1 tablespoon chopped fresh parsley; salt and pepper to taste; 1 pound unpeeled large shrimp