Clams, Chilies, and Parsley Pizza

INGREDIENTS

• 4 garlic cloves, smashed and peeled
• 1 1/2 cups heavy cream
• 1 bay leaf
• 1/2 Spanish onion, peeled and cut into chunks
• 4 1/2 dozen manila (about 6 pounds), scrubbed well in cold water
• 1 batch Franny's Pizza Dough (recipe follows)
• 1/4 cup extra virgin olive oil, more as needed
• 4 1/2 cups all-purpose flour
• 1 1/4 cups dry white wine
• Chili flakes
• 1/2 cup chopped parsley
• 2 teaspoons kosher salt
• 2 packed teaspoons fresh yeast (10 grams) or 1 1/2 teaspoons dry active yeast
• All-purpose flour