Touch the tip of your tongue to the roof of your mouth just behind your teeth. Add vocal cord vibration as you release.

Americans pronounce dough as DOH (/doʊ/). You'll hear it in sentences like "He let the dough rise for about an hour before baking it".
Record yourself saying "dough" and play it back. The mic stays on your device — nothing's uploaded.
1 syllable, 2 sounds. Explore each sound's mouth shape and how it's made.