Spinach with Beets - Diet.com

Ingredients

• 1 red onion, thinly sliced
• 2 slices whole wheat bread, cut into cubes
• 8 oz (or 2 small) fresh beets
• 1 tablespoon olive oil
• 1 small shallot, minced
• 1 tablespoon honey mustard
• 1/4 cup red wine vinegar
• 2 tablespoons sugar
• 1/2 teaspoon salt
• 1/4 teaspoon freshly ground pepper
• 12 oz spinach, thoroughly washed, stems removed
• 4 oz button mushrooms, wiped clean, stems trimmed and sliced