Mushroom Spinach Salad

From TOH magazine; I haven't made this yet, but it looks like a delicious salad and dressing recipe.

• Ready In: 20 mins
• Serves: 8

Ingredients

• 8  cups  fresh  Baby Spinach
• 2  cups  sliced fresh mushrooms
• 1⁄2 cup  sliced red onion, separated into rings
• 1⁄2 cup canola oil
• 2  tablespoons cider vinegar
• 1 1⁄2 teaspoons sugar
• 3⁄4 teaspoon salt
• 1⁄4 teaspoon garlic powder
• 1⁄4 teaspoon onion powder
• 1⁄4 teaspoon dried oregano
• 1⁄8 teaspoon pepper

Directions

1. Combine spinach, mushrooms, and onion rings in a large salad bowl.
2. In a jar with a tight-fitting lid, combine the remaining ingredients. Shake until well mixed; pour over salad and toss to coat. Serve immediately.