Melt butter in a large skillet over medium heat.
Add onion and garlic, and saute 6 minutes or until onion is tender.
Add broth and next 5 ingredients. Bring to a boil; reduce heat to lower; and simmer, uncovered, stirring occasionally, 30 minutes or until lentils are tender.
Stir in basil and salt to taste.
Yield: 5 cups (serving size: 1/2 cup)
Adapted from: MyRecipes.com