The next step was to install a second oven.  First I pulled out the oven that came with the RV:

Next I cut out the cabinetry below to allow space for the second oven:

Here’s the lower oven in place.  This oven matched the existing oven in our last RV, so our two ovens don’t match, which is a minor bummer.  Notice I’ve removed all the cooktop components since this oven will be below the top oven:

I had to add risers on the countertop to raise the upper oven high enough to clear the lower oven:

Top oven in place:

All done!