Funnel cake batter. At the Gwinnett Braves stadium by my house they deep fry oreos and twinkies using funnel cake batter. Oreos are amazing... Twinkies, not so much.
If you make the cones like the others were talking about, cut the tip off (not TOO much) so it makes a little opening and (over the trash can or sink) gently squeeze until the chocolate starts coming out without air. Then just gently and slowly squeeze it across the strawberries to make the...
If you try the foil, dont completely close it around the meat, that way steam and such can escape. I've never tried making roast beef other than in a crock-pot so I dont know how helpful that is haha. Good luck though!! Sorry I cant be more help :(