Written by: infinita est lux Solis  
Voice: fifteen.ai (Twilight Sparkle)
 

 
TRANSCRIPT  
There are two ways to liquify toast, one would be to simply carbonize it, AKA, burn it until it’s just ash, then dissolve it in a solvent, preferably water, and create liquifacted coal… The other way would be to heat it to the point where the carbon atoms inside the toast have melted into a liquid, which would mean Sweetie had to have heated the toast to 3825 kelvin. Her making liquifacted coal is the more likely of the two, but I also like the idea that she, through some magical spell, was able to heat the food beyond what even the most advanced blast furnace is capable of.
 
As for burning juice, you just heat it until the liquid evaporates, leaving behind the solute plant matter, which would be burned and carbonized, leaving behind a small amount of ash from the burned remains of the plant that you had juiced. To get the amount of carbon she had in that glass, she would need to have burned at least an entire industrial railway tanker’s worth of juice, as there is surprisingly little pulp inside the juice, and fewer carbon atoms in comparison to the hydrogen atoms in the pulp. For example, in a glass of 100 grams of orange juice, there are only 8 grams of sugar, a molecule of glucose consists of six carbon atoms, twelve hydrogen atoms, and six oxygen atoms.
 
Either way, are we sure Sweetie’s talent isn’t industrial metallurgy or carbon-fullerene synthesis. Hell, if she gets good enough with that superheating spell she used on the toast, she would make one hell of a nuclear physicist, being able to kickstart a fusion reactor herself.