Cora would blink and find that not only were the bagels no longer in her possession, but they were back on the other side of the room with Stitches and the appropriately nicknamed Blur. 
Bruce put them firmly into Stitches hand and proceeded to pretend he hadn't just had to sprint across the room to steal a bag of bagels. 

"Thanks," he said to Kyle, though he took the blender and started putting together his fruit and veg smoothie instead of the protein powder one. "Er, no offense. Just used to the green stuff instead." He tried to turn the blender on twice until he figured out that he needed to plug it in after "the electric guy."

He had overcompensated after returning to normal time and was now speaking a little slowly. Just enough that you might notice.