Pot of Gold Shamrock Ravioli

Ingredients

• 2 teaspoons kosher salt, divided, plus more to taste
• ½ cup spinach, blanched and drained
• 2 large eggs, divided
• 4 egg yolks, whites reserved, divided, plus more for filling pasta (optional)
• ½ cup roasted red pepper, drained
• 3 cups all purpose flour, divided, plus more for dusting
• 1 cup whole milk ricotta cheese
• ¾ cup freshly grated parmesan cheese, plus more for serving
• ¼ teaspoon freshly ground black pepper, plus more for serving
• 1 ¼ sticks unsalted butter
• 4 garlics, crushed
• 12 sage leaves
• 1 tablespoon white balsamic vinegar
• pasta maker
• 4 ½ shamrock cookie cutters, 4 1/2 in (11 cm)