Mix all dressing ingredients and set aside
Boil pasta per directions on box; drain and let cool.
In medium skillet, heat oil and butter.
Break up Ramen noodles into small pieces; add to skillet and stir continuously until brown and crispy.
Drain noodles on paper towels and set aside to cool.
In a large salad bowl, mix together baby spinach, mandarin oranges, craisins, cooled pasta and dressing; toss well to combine.
Stir in toasted Ramen pieces.
Serve and enjoy!
I also like to add grilled chicken to mine for a very hearty meal.