Pulse 3 cups fresh basil, 2 tablespoons toasted pine nuts and 1 garlic clove in a food processor. Pulse in 1/2 cup plain Greek yogurt and 2 tablespoons each grated Parmesan and olive oil until smooth. Cook 12 ounces bucatini; reserve 1/2 cup cooking water. Toss the pasta with the pesto, 1 pound steamed chopped asparagus, 8 ounces sauteed shrimp and the reserved cooking water. Top with toasted breadcrumbs.