Linguine with Herb Broth and Clams Recipe

Ingredients

• 1/4 cup (1/2 stick) butter
• 2 tablespoons olive oil
• 2 onions, chopped
• 6 garlic cloves, peeled, smashed
• 2 medium tomatoes, cored, chopped
• 3 cups dry white wine
• 1 cup (or more) water
• 3 pounds Manila clams or small littleneck clams, scrubbed
• 1/3 cup thinly sliced fresh basil leaves
• 1/4 cup chopped fresh parsley
• 1/4 cup chopped fresh oregano
• 2 pinches of dried crushed red pepper
• 8 ounces linguine