Grilled Oysters with Chermoula and Ramps

Name: Grilled Oysters with Chermoula and Ramps
Ingredients: 3 Tablespoons extra-virgin olive oil; 4 Ounces onion, chopped finely; 1 clove garlic, chopped finely; 1 Teaspoon ginger, chopped finely; 3 strands saffron; 1/2 Tablespoon ground ginger; 1/2 Tablespoon black pepper; 1/4 Teaspoon paprika; 1/4 Teaspoon coriander seed, crushed; 1 red bell pepper, peeled, seeded, and diced finely; 1/2 Cup crushed canned tomatoes, strained; 1 Tablespoon cider vinegar; 1 Teaspoon cilantro, chopped; Zest and juice of 1 lemon; 20 Hama Hama oysters; 2 Tablespoons extra-virgin olive oil; 2 ramps, chiffonade; Kosher salt, for garnish; Baby arugula, for garnish