I don't think that bacon is tasty.
I think that carrot pie is tasty.
I think that ice cream is tasty. (ice cream - мороженое)
I don't think that fish soup is tasty. (fish soup-рыбный суп)
I think that tomato salad is tasty. (tomato salad-салат из помидоров)
I don't think that onion is tasty. (onion-лук)