Roasted Grape Salad with Pears, Blue Cheese and Maple Dressing

red seedless grapes

olive oil

mixed baby greens (I used baby kale and spring mix)

ripe Bartlett pear (cored and thinly sliced)

crumbled blue cheese

Dressing:

plus 1 1/2 tsp. olive oil (divided)

large shallot (peeled and finely chopped (1/4 cup))

maple syrup

mayonnaise

apple cider vinegar

granulated sugar

salt

ground black pepper