Writing at the expected level

Anyone reading the sentence below, 

please feel free to use it 

as it contains a fronted adverbial, an embedded relative clause and some expanded noun phrases; 

there is no further subordinate clause in it so you may need to add : 

‘when his uncle exploded’ .

"With a large green smile on his face, which he found in the fridge yesterday, he drove in the sandwich to the hate-filled tomato."