With this fantastic Copycat Zupas Tomato Basil Soup recipe you can have your favorite soup anytime you want without so much as stepping one foot outside. This recipe feeds a crowd, make this for your next dinner party!
In a large stock pot, melt your butter. Add celery & onions, cook just until translucent. Add in dried oregano. Stir in pesto and tomatoes.
Transfer to your slow cooker and cook on low 8-10 hours or high 4-6.
With an immersion blender, blend soup until creamy. Just before serving add in your half and half, mix well to combine.
Adapted from It's The Life