https://youtu.be/sR8M4zARBXY?t=462

Here's a simple test you can try yourself: put some food in your mouth and hold your nose. What do you taste? Now do it again with your nose not blocked. Try this for various foods.

I got this from Science and Cooking: https://www.amazon.com/Science-Cooking-Physics-Homemade-Cuis...

The first chapter talks about how aroma is a component of flavor and you can use this test to identify if your ingredients are giving you taste (tongue) or aroma molecules (nose)