Tex-Mex Chicken Quesadillas

Name: Tex-Mex Chicken Quesadillas
Cook time: 40 min
Total time: 40 min
Cuisine: American, TexMex
Ingredients: 2 TBSP olive oil plus a little extra; 12 ounces boneless skinless chicken breast, cut into 1/2-inch pieces; 1/2 cup diced yellow onion; 1 TBSP all-purpose flour; 1/2 tsp granulated garlic; 1/2 tsp paprika; 1/2 tsp ground cumin; 1/2 tsp salt; 1/4 tsp pepper; 1 cup water; 1/2 cup sliced black olives; 3 large burrito-size flour tortillas; 2 ounces sharp cheddar cheese, shredded; sour cream for serving