Doing test strips is an art in itself.
Start by acknowledging that the negative is a bit low in contrast, and try again at grade 3.
When you do your test progression, do some exposures that go farther - you need to be sure that you are attaining full black.
When you evaluate the tests for exposure, you need to key on an upper mid-tone or low highlight - something like the circled area here:
View attachment 252733
Once you arrive at a base exposure that gives you satisfactory upper midtones, adjust the contrast to give you satisfactory shadows. If you based your exposure determination on an upper midtone, using the speed matching capability in most variable contrast systems should allow you to change contrast with little or no change in exposure.
When you have a result that is satisfactory as to overall contrast and exposure, use judicious amounts of dodging and burning adjustments to enhance the results - I would guess that a bit of dodging of the tomato highlights might add some sparkle.
Matt, I will try again. But do you think there was a problem in my process? The test I did covered four full stops, yet the strips are all very dark and hardly distinguishable, yet never fully black. The cutting board is quite uniform across the width of the picture - I feel like between 2 seconds on one end and 22 seconds on the other, there should be more difference? I can scan the test print if that helps. Even at my most erratic, I've never had this much trouble with the basic mechanics. so maybe something's up?