adjective
BAD : The food was excellent and very tasteful.
GOOD : The food was excellent and very tasty.
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tasteful = chosen or produced by someone who is able to judge which kinds of art, music, furniture, etc, are attractive: 'The design of the room was very tasteful - pale colours, matching fabrics, and soft corner lighting.'
tasty = (of food) having a pleasant taste : 'These sausages are really tasty - where did you buy them?'