Couscous With Yellow Squash

Ingredients

• 1 tablespoon butter
• 1 tablespoon olive oil
• 1/4 cup finely chopped onion
• 1 teaspoon finely chopped garlic
• 3/4 cup diced yellow squash cut into 1/4-inch cubes
• Salt and freshly ground pepper to taste
• 1 1/4 cups fresh or canned chicken broth
• 1 cup precooked couscous
• 1/4 cup coarsely chopped fresh coriander