French Onion Dip

Ingredients (9)

• 2 tablespoons butter
• 1 tablespoon canola oil
• 3 yellow onions , chopped
• 2 teaspoons kosher salt , divided
• 2 teaspoons fresh thyme leaves
• 1 tablespoon soy sauce
• 1 cup Stonyfield Whole Milk Greek Plain Yogurt
• 1/2 cup sour cream
• 1 teaspoon onion powder