Empty yeast packet into a large mixing bowl and add warm water. Let stand for about five minutes. Add sugar, olive oil, salt, garlic powder, dried basil, oregano and cheddar cheese. Stir to combine. Add 3 cups of flour and stir.
Turn dough out onto a cutting board sprinkled with flour. Knead dough until smooth and easily forms into a ball. Clean out your mixing bowl and coat with olive oil.
Line a small (9 x 13) baking sheet with parchment, coat with oil. Press dough gently into the pan. Cover with a clean towel and let rise again for 40 minutes.
Preheat oven to 425˚.Gently press your finger tips into the dough to make little craters all over. Brush with dressing. Sprinkle with cheese, top with jalapeños, pressing them gently into the top of the dough. Bake 35 min. Allow to cool 15-20 mins before serving.