Thai-Inspired Steamer Clams

Ingredients

• 2 tablespoon olive oil, plus more for brushing
• 1 1/2 tablespoon minced garlic
• 1 1/2 tablespoon minced ginger
• 1 large yellow onion, very thinly sliced
• salt and pepper, to taste
• 1 cup white wine
• 1 cup clam juice
• 1 cup coconut milk
• 2 pound steamer clams
• 2 roma tomatoes, concassé
• 1/8 cup minced cilantro
• 1 loaf french bread