Srawberry and Spinach Salad

Dressing:
1/2 cup mayonnaise
2 T vinegar
1/3 cup sugar
1/4 cup milk
2 Tbsp poppyseeds

Salad:
1 pint strawberries, sliced
2 bunches spinach, torn to bite-sized pieces
1/2 cup red onion, sliced
1 cup sugared pecans

Toss dressing with salad ingredients and serve immediately!