Creamy Spinach and Sweet Onion Dip

This is a lovely dip to be served at all of the seasonal parties coming up - delicious!!

• Ready In: 10 mins
• Yields: 4 cups

Ingredients

• 1  tablespoon extra virgin olive oil
• 2  medium  vidalia onions, thinly sliced
• 1  garlic clove, minced
• 6  cups fresh spinach, stemmed
• 1  cup watercress leaf, coarsely chopped
• 1⁄2 avocado, halved, pitted and peeled
• 1  cup plain nonfat yogurt, preferably Greek
• 1  teaspoon lemon zest, finely grated
• 1  tablespoon fresh lemon juice
• 1⁄2 teaspoon  hot sauce, such as Tabasco
• 1⁄4 teaspoon coarse salt
•  fresh ground pepper

Directions

1. Heat oil in a large skillet over medium heat. Add onion, and cook until softened, about 8 minutes. Reduce heat ot medium-low, add garlic and cook stirring occasionally, until onion ad garlic are very soft and golden, about 20 minutes. Add spinach and cook, tossing often, until wilted, about 4 minutes. Let cool slightly.
2. Purée mixture in a food processor until smooth. Add watercress, avocado, yogurt, lemon zest and juice, and hot sauce, and salt and season with pepper. Purée until smooth. Transfer to a bowl, cover and refrigerate for at least 1 hour, or up to 3 days. Stir the dip, and serve with Crudités.