2/3 cup baking soda
5 tablespoons liquid dish soap or 5 tablespoons liquid dishwasher detergent 
Water (keep adding slowly until you get a paste consistency)
2 tablespoons vinegar (will produce a "fizzing" action)

 

Mix everything except vinegar to form a paste.

Add vinegar  last and stir.

Keep paste in a tub at the kitchen sink for scouring pots and pans or the sink itself. Stir/add water or vinegar if pastehardens.

Multi-use for your whole home.

Apply to surface and scrub with a damp cloth or sponge.