Combine first 4 ingredients in a blender, and process just until blended. Lightly spoon flour into dry measuring cups; level with a knife. Combine flour, 1 1/4 cups sugar, baking powder, and salt. Add strawberry mixture to flour mixture, stirring just until moist. Spoon batter into 12 muffin cups coated with cooking spray. Sprinkle with 2 teaspoons sugar. Bake at 400° for 20 minutes or until muffins spring back when touched lightly in center. Remove from pan immediately.