1 lb. Pappardelle's Hawaiian Black Lava Salt Tagliatelle
1 lb. shrimp, peeled & deveined
1 medium onion, finely chopped
7 cloves garlic, divided
2 lemons
1 cup parsley, coarsely chopped, plus more for garnish
3/4 cup panko breadcrumbs
6 Tbsp. extra-virgin olive oil, divided, plus more for drizzling
1/2 tsp. salt
4 Tbsp. unsalted butter, divided
1/2 tsp. crushed red pepper flakes
3/4 cup dry white wine